# Lucernel

> Lucernel (Lucernel LLC) is an independent software company that designs and builds SaaS platforms, iPhone apps and web apps with careful interfaces and modular architecture.

Every page on lucernel.com has a Markdown version at the same URL with `.md` appended (the homepage is /index.md).
All iPhone apps are in development and not yet on the App Store. Support: support@lucernel.com. Privacy: privacy@lucernel.com.

## Products

- [Musael](https://musael.com): Write your book, build its world and keep it consistent in one place. 

## Company

- [Lucernel](https://lucernel.com/index.md): Lucernel is an independent software company. It designs and builds SaaS platforms, iPhone apps and web apps with careful interfaces and modular architecture.
- [About Lucernel](https://lucernel.com/about.md): Lucernel is an independent software company that designs and builds SaaS platforms, iPhone apps and web apps. What it makes, how it works and key facts.
- [Contact Lucernel](https://lucernel.com/contact.md): Support and projects: support@lucernel.com. Privacy and deletion: privacy@lucernel.com.

## Apps

- [iPhone apps by Lucernel](https://lucernel.com/apps.md): Nine focused iPhone apps in development at Lucernel.
- [Renounce](https://lucernel.com/apps/renounce.md): Prayer-first recovery and focus. A Christian app to quit lust on iPhone: SOS for the moment of temptation, a prayer pause before locked apps, the Bible and clean-day streaks.
- [Carumi](https://lucernel.com/apps/carumi.md): The service history of every vehicle. A vehicle passport for iPhone: service history, mileage, maintenance schedules, documents, deadlines and ownership costs for every car or motorcycle.
- [Gutli](https://lucernel.com/apps/gutli.md): Food and symptom journal for low-FODMAP. A meal, symptom and low-FODMAP protocol journal for iPhone: log meals and check-ins, follow elimination and reintroduction, and bring a clear report to your clinician.
- [Miggry](https://lucernel.com/apps/miggry.md): Migraine diary with the weather beside it. A migraine diary for iPhone: log an attack in seconds, see pressure and weather context, and bring a clear record of attacks, triggers and medication to your doctor.
- [Lawnzo](https://lucernel.com/apps/lawnzo.md): What to do for your lawn, and when. A lawn-care planner for iPhone: seasonal plans for mowing, watering, seeding and feeding, adjusted to your grass and to the weather, with a work journal and photos.
- [IQumi](https://lucernel.com/apps/iqumi.md): Non-fiction books as short lessons. Short lessons from non-fiction books for iPhone: one idea, one example and one takeaway at a time, as reels or readable summaries.
- [Trotley](https://lucernel.com/apps/trotley.md): Health and care records for horses. Horse care records for iPhone: health, farrier, dental, vaccinations, medication, weight and documents for every horse, with reminders for what is due.
- [Littero](https://lucernel.com/apps/littero.md): The kennel book for dog breeders. Breeding records for iPhone: dogs, heat cycles, progesterone, matings, pregnancies, litters and puppies, with estimated dates and reminders.
- [GunTomo](https://lucernel.com/apps/guntomo.md): Scan Gundam cards, see the price. A Gundam Card Game scanner for iPhone: point the camera at a card, get the exact variant and market price, and add it to your collection.
- [Waxley](https://lucernel.com/apps/waxley.md): A beekeeping log for every hive and every visit. A beekeeping log for iPhone: inspections in a minute, re-checks that remind you, the story of every colony and harvests that add up by hive and by season.

## Tools

- [Free tools from Lucernel](https://lucernel.com/tools.md): Ten free tools that work in the browser, from the nine Lucernel apps.
- [Bible verses for temptation](https://lucernel.com/tools/bible-verses-for-temptation.md): Pick what you are facing (temptation, shame after a fall, anxiety, fatigue, late nights) and get a Bible verse with a short prayer. Free, no account.
- [Bible verse of the day](https://lucernel.com/tools/daily-bible-verse.md): Today's Bible verse from the World English Bible: one verse for each calendar day, the same for everyone. Free, no account, and easy to add to your website.
- [VIN decoder and recall check](https://lucernel.com/tools/vin-decoder.md): Decode any 17-character VIN: year, make, model, trim, engine, plant and weight class from NHTSA, the check digit, and recalls for that model year.
- [Bristol stool chart](https://lucernel.com/tools/bristol-stool-chart.md): An interactive Bristol stool chart. Pick the type that matches and see what it usually means, which signs need a doctor, and how to track it with food.
- [Barometric pressure headache forecast](https://lucernel.com/tools/barometric-pressure-headache-forecast.md): See how air pressure will change over the next three days where you live, and when it falls fastest. Enter a US ZIP code or use your location.
- [Lawn fertilizer calculator](https://lucernel.com/tools/lawn-fertilizer-calculator.md): Enter the numbers on the bag and your lawn size. See how many pounds of fertilizer to spread per 1,000 sq ft and in total, and how many bags you need.
- [Book reading time calculator](https://lucernel.com/tools/reading-time-calculator.md): How long will a book take? Enter pages or words, use the average adult reading speed or test your own, and see the hours and the day you finish.
- [Horse weight calculator](https://lucernel.com/tools/horse-weight-calculator.md): Estimate a horse’s weight from heart girth and body length with the formulas in the Merck Veterinary Manual, for adults, yearlings and weanlings.
- [Dog due date calculator](https://lucernel.com/tools/dog-due-date-calculator.md): Find a dog’s whelping date from ovulation, the LH peak or the breeding date, with the ultrasound, X-ray and temperature milestones from the Merck Veterinary Manual.
- [Gundam Card Game odds calculator](https://lucernel.com/tools/gundam-card-game-odds-calculator.md): The chance to see a card in your opening hand or by any turn in the Gundam Card Game, with the redraw rule and the 50-card deck built in.
- [Bee brood timeline calculator](https://lucernel.com/tools/bee-brood-timeline-calculator.md): Saw eggs or capped brood? See when the cells are capped and when a worker, queen or drone emerges, from the development times in UGA Extension Bulletin 1045.

## Web

- [Projects — web products by Lucernel](https://lucernel.com/projects.md): Web products by Lucernel. Explore each product on its own site.

## Resources

- [Resources](https://lucernel.com/resources.md): Guides and honest comparisons from Lucernel.
- [Synthetic oil change interval: how far can you go?](https://lucernel.com/guides/synthetic-oil-change-interval.md): How long synthetic oil lasts compared with conventional and blend oil, how oil-life monitors set the interval, what counts as severe use and why your owner's manual has the final word.
- [Low-FODMAP snacks: how to check any label for FODMAPs](https://lucernel.com/guides/how-to-check-snack-labels-for-fodmaps.md): How to read a snack label on a low-FODMAP diet: the ingredient names to look for, the polyols ending in -ol, what a label cannot show and why to test one food at a time.
- [SnapOut vs Renounce: which Christian app fits?](https://lucernel.com/compare/snapout-vs-renounce.md): SnapOut offers a daily system of journaling, challenges, tools and community to quit lust. Renounce is built for the moment of temptation, with prayer before locked apps. Here is how they differ.
- [Migraine diary template: what to write down, with a filled example](https://lucernel.com/guides/migraine-diary-template.md): A migraine diary template you can copy into a notes app, spreadsheet or paper page, a filled example, what to leave out and what to bring to your doctor.
- [Gundam Card Game colors: what blue, green, red, purple and white do](https://lucernel.com/guides/gundam-card-game-colors-explained.md): The five Gundam Card Game colors, the rule that a deck uses one or two of them, what the official deck pages say about color pairs, and how to choose your first pair.
- [Types of weeds in grass: grassy, broadleaf and sedges](https://lucernel.com/guides/types-of-weeds-in-grass.md): How to tell grassy weeds, broadleaf weeds and sedges apart in a lawn, with examples like crabgrass, dandelion and nutsedge and what each group needs, from university extension sources.
- [NoFap relapse: what to do in the next hour](https://lucernel.com/guides/nofap-relapse.md): A calm plan for the first hour and the next day after a NoFap relapse: stand up, pray, tell one person, log it, change the setting and begin again without shame.
- [Dog pregnancy week by week: care, feeding and checkups](https://lucernel.com/guides/dog-pregnancy-week-by-week.md): Dog pregnancy week by week after mating: when a vet can confirm it, when to change her food, how to prepare for whelping and the signs that need a vet right away.
- [IBS flare-up symptoms: what they feel like and what to log](https://lucernel.com/guides/ibs-flare-up-symptoms.md): What an IBS flare-up usually feels like, what can set one off, what to write down to spot your triggers, and the warning signs that need a doctor.
- [Blinkist alternatives for iPhone: what to look for](https://lucernel.com/alternatives/blinkist-alternatives.md): Looking for something other than Blinkist? Start with why: price, format, depth or privacy. Then match the app to the reason, from shorter lessons to deeper analysis.
- [How much weight can a horse carry? The 20 percent rule](https://lucernel.com/guides/how-much-weight-can-a-horse-carry.md): Where the 20 percent guideline comes from, what research does and does not show, why rider plus saddle counts, and the signs a horse is struggling.
- [How to check for open recalls on your car by VIN](https://lucernel.com/guides/how-to-check-for-open-recalls.md): Look up open safety recalls by VIN or license plate on NHTSA, read what open and repaired mean, get the repair free at a dealer, and keep the proof.
- [How to choose a lawn fertilizer: numbers, release type and timing](https://lucernel.com/guides/how-to-choose-lawn-fertilizer.md): How to pick a lawn fertilizer: read the three numbers on the bag, choose quick or slow-release nitrogen, match the season to your grass, test the soil first, and work out how much to spread.
- [How to remember what you read: what the research supports](https://lucernel.com/guides/how-to-retain-what-you-read.md): Test yourself and space your reviews: the two techniques with the best evidence for remembering what you read. A 10-minute weekly routine for books, and why highlighting and rereading rank low.
- [How to find and keep a Christian accountability partner](https://lucernel.com/guides/christian-accountability-partner.md): Who to ask, what to say, a weekly 20-minute rhythm, the questions to use and what to do when it stops working, with Scripture from the World English Bible.
- [Collectr vs GunTomo for Gundam Card Game collectors](https://lucernel.com/compare/collectr-vs-guntomo.md): Collectr tracks many trading card games in one portfolio. GunTomo is a scanner built for the Gundam Card Game. Here is what each does and which one fits your collection.
- [Gundam Card Game booster packs and boxes: cards, price and sets](https://lucernel.com/guides/gundam-card-game-booster-boxes-and-packs.md): How many cards are in a Gundam Card Game booster pack, what Bandai lists as the price, every booster set in release order, and what to buy first.
- [Low-FODMAP food lists: why they disagree and how to use one safely](https://lucernel.com/guides/low-fodmap-food-list-how-to-use.md): Why low-FODMAP food lists disagree, what portion thresholds mean, how to check a food in the official Monash app, and how to record what you actually ate. No food list is copied here.
- [How often should you change your oil?](https://lucernel.com/guides/how-often-to-change-oil.md): Why the 3,000-mile oil change is a myth for most modern cars, what AAA recommends instead, when synthetic oil lasts longer, and how to stay on schedule.
- [How to set up a whelping box: size, spot, heat and bedding](https://lucernel.com/guides/how-to-set-up-a-whelping-box.md): How to set up a whelping box for a dog: how big it should be, where to put it, temperature by week, bedding choices, rails, and when to let her get used to it.
- [Migraine triggers: a list with how strong the evidence is](https://lucernel.com/guides/migraine-triggers-list.md): Common migraine triggers sorted by how strong the evidence is: fasting, hormones, the let-down after stress and low pressure at the top, food and light mixed, plus why a craving can be an early symptom, not a cause.
- [Good Dog for Breeders vs Littero: which app?](https://lucernel.com/compare/good-dog-for-breeders-vs-littero.md): Good Dog for Breeders is built to list puppies, manage buyers and take payments. Littero is a kennel record for cycles, matings, pregnancies, litters and puppies. Here is how to choose.
- [NoFap benefits: what is claimed and what is evidence](https://lucernel.com/guides/nofap-benefits.md): Energy, focus, confidence and testosterone are the benefits most often claimed for NoFap. Here is which rest on self-report, which on a retracted study, and what the research on p*rn abstinence says.
- [When to replace tires: tread, age and damage](https://lucernel.com/guides/when-to-replace-tires.md): Replace tires when tread reaches 2/32 inch, when age or dry rot makes them unsafe, or when you see sidewall damage. How to measure tread, read the DOT date code, and why miles are not the rule.
- [Fall lawn fertilizer: when to apply it and how much](https://lucernel.com/guides/fall-lawn-fertilizer.md): Why fall is the main feeding for cool-season lawns, extension dates by region, how much nitrogen to put down, when the last feeding is too late, and why bermudagrass and zoysia are different.
- [Best non-fiction books to read first, by what you want to learn](https://lucernel.com/best/best-nonfiction-books.md): Five non-fiction books to start with, chosen by the question you want answered: time, money, history, decisions and medical ethics, with reading time and who should skip each.
- [Dog pregnancy test: ultrasound, blood test and X-ray, and when each works](https://lucernel.com/guides/dog-pregnancy-test.md): Which dog pregnancy test works on which day: palpation around day 21, ultrasound at 25 to 35 days, the relaxin blood test, and X-ray for the puppy count after day 55.
- [IBS symptoms in women: what to track and when to see a doctor](https://lucernel.com/guides/ibs-symptoms-in-women.md): The core symptoms of IBS, what research says about differences in women and the effect of periods, which conditions look alike, which signs need a doctor, and what to write in a diary.
- [How to relieve a barometric pressure headache](https://lucernel.com/guides/how-to-relieve-barometric-pressure-headache.md): What helps a headache when the weather turns: the same treatments as any migraine, comfort steps, limits on pain medicine, what you can do ahead of time and when to see a doctor.
- [Gundam Card Game card types: Unit, Pilot, Command, Base and Resource](https://lucernel.com/guides/gundam-card-game-card-types-explained.md): What the five Gundam Card Game card types do in play and in a deck: Units that fight, Pilots paired beneath them, Commands, Bases that guard your shields, Resources and tokens.
- [How to find your migraine triggers with a diary](https://lucernel.com/guides/find-your-migraine-triggers.md): The common migraine triggers, what to write in a headache diary, how long to keep it, and how to read it with your doctor without mistaking coincidence for cause.
- [Equilab vs Trotley: ride tracking or horse records?](https://lucernel.com/compare/equilab-vs-trotley.md): Equilab tracks your rides and your location. Trotley keeps the care records for each horse. They do different jobs, and this page shows where each one fits.
- [Is lust a sin? What Jesus said and what temptation is](https://lucernel.com/guides/is-lust-a-sin.md): What the Bible says about lust: Jesus in Matthew 5, James 1 on how desire becomes sin, why being tempted is not sin, and how it applies to singles and married people.
- [Free VIN check: what you get, and what only a paid report shows](https://lucernel.com/guides/free-vin-check-what-you-get.md): What a free VIN check really returns (an NHTSA decode and recall data), what only title records and paid reports add, and the red flags to act on before you buy a used car.
- [Average horse weight by breed and type](https://lucernel.com/guides/average-horse-weight.md): Typical weights for riding breeds and draft horses, why the same breed varies, and how to get a number for your own horse with a tape or a scale.
- [How to read non-fiction: a method that helps you remember](https://lucernel.com/guides/how-to-read-nonfiction-books.md): A practical way to read non-fiction books: set questions first, read for the argument, test yourself after each chapter and space your review.
- [Fertilize before or after rain? The weather window for lawn feeding](https://lucernel.com/guides/fertilize-lawn-before-or-after-rain.md): Light rain after feeding helps, heavy rain within 24 hours washes fertilizer away. What extension services say about timing, watering in, runoff, phosphorus rules, labels and mowing.
- [Headway alternatives for short book lessons](https://lucernel.com/alternatives/headway-alternatives.md): Headway is a large book summary library with daily sessions and challenges. Here are three other summary apps from their listings, and IQumi for very short lessons.
- [Types of headaches by location: where it hurts and what it can mean](https://lucernel.com/guides/types-of-headaches-by-location.md): A body map of headaches by location: both sides, one side, around the eye and temple, the front and face, the back of the head, with the usual type and why location alone cannot diagnose.
- [Horse dental care: floating, checkups and warning signs](https://lucernel.com/guides/horse-dental-care.md): How often a horse needs a dental exam by age, what floating is, signs of dental pain, what sedation means, who can do the work, and what to record.
- [Gundam Card Game pull rates: what is known and what is not](https://lucernel.com/guides/gundam-card-game-pull-rates.md): Bandai's booster pages list no Gundam Card Game pull rates. What the official product pages do list per set, why card counts are not odds, and how to log your own packs.
- [Starter fertilizer for lawn: when to use it and when not to](https://lucernel.com/guides/starter-fertilizer-for-lawn.md): What starter fertilizer is, why it contains phosphorus, when to apply it at seeding, how much to use, and why state rules limit it on established lawns.
- [How to build your first Gundam Card Game deck](https://lucernel.com/guides/build-a-gundam-card-game-deck.md): The deck-building rules of the Gundam Card Game, how to go from a starter deck to your own list, and how many copies of a key card you need to see it early.
- [Can weather cause migraines? Heat, humidity and storms](https://lucernel.com/guides/can-weather-cause-migraines.md): What studies show about heat, humidity, storms and sunlight as migraine triggers, why results disagree, and how to test your own weather link in a diary.
- [Car maintenance log template: what to write, with sample rows](https://lucernel.com/guides/car-maintenance-log-template.md): The columns a car maintenance log needs, sample rows you can copy into a spreadsheet, why receipts matter for warranty claims, and when an app does the job better.
- [Low-FODMAP diet for beginners: a step-by-step first month](https://lucernel.com/guides/low-fodmap-diet-for-beginners.md): What to do, in order, when starting the low-FODMAP diet: see a clinician, keep a baseline diary, eliminate for 2 to 6 weeks, test one FODMAP group at a time, then personalize.
- [Books like Atomic Habits: what to read next](https://lucernel.com/best/books-like-atomic-habits.md): Six books to read after Atomic Habits, picked by what you liked in it: small steps, how habits form, focus, doing less and time, and why each one fits.
- [What is NoFap? Meaning, rules and a Christian view](https://lucernel.com/guides/what-is-nofap.md): What NoFap means, the words its community uses (PMO, streak, relapse, flatline), the common rules, what research does and does not show, and how a Christian can read it.
- [Low-FODMAP diet risks: who should not start it alone](https://lucernel.com/guides/low-fodmap-diet-risks-and-who-should-not.md): The risks of the low-FODMAP diet, who should not self-start it, why the AGA caps the strict phase at 4 to 6 weeks, and what to settle with a doctor or dietitian first.
- [How to check a car service history (and what you cannot see)](https://lucernel.com/guides/how-to-check-car-service-history.md): Where a car's service history really lives: the seller's receipts, the shops that did the work, free VIN checks and paid reports, and what none of them can show you.
- [Yard Mastery vs Lawnzo: calculators or weather timing?](https://lucernel.com/compare/yard-mastery-vs-lawnzo.md): Yard Mastery gives DIY lawn owners calculators, soil temperature and a journal. Lawnzo plans each job against the forecast and explains why. Here is how to choose.
- [How to quit lust: a practical plan for Christians](https://lucernel.com/guides/how-to-quit-lust.md): A calm seven step plan to quit lust as a Christian: what Jesus says in Matthew 5, how to guard your phone, pray in the moment, tell a person and return after a fall.
- [How to play the Gundam Card Game: a first game in 10 minutes](https://lucernel.com/guides/how-to-play-gundam-card-game.md): How a Gundam Card Game turn works, from setup with a 50-card deck, 10 resource cards and 6 shields to the five phases, attacks, blockers and the two ways to win.
- [Dog pregnancy signs: what you can see and when](https://lucernel.com/guides/dog-pregnancy-signs.md): Which signs of dog pregnancy you can see, why they overlap with false pregnancy, when a vet can confirm it by palpation, blood test, ultrasound or X-ray, and when to call the vet.
- [Progesterone testing in dogs: when to breed](https://lucernel.com/guides/progesterone-testing-in-dogs.md): How progesterone testing times a dog breeding: when to start, what the first rise means, which days to breed, and when LH testing is worth it, following the Merck Veterinary Manual.
- [How much to feed a horse: forage, grain and water](https://lucernel.com/guides/horse-feeding-guide.md): How much hay a horse needs each day as a share of body weight, how to turn that into flakes, when grain is needed, how much water to expect, and how to change feed safely.
- [When to fertilize your lawn: by grass type and region](https://lucernel.com/guides/when-to-fertilize-lawn.md): When to fertilize cool-season and warm-season lawns, how many feedings extension services suggest, the growth and weather cues to watch, and when to hold off.
- [How to read more books: a plan that fits a busy week](https://lucernel.com/guides/how-to-read-more-books.md): Turn the goal into minutes: how many books a year 15 minutes a day buys at the average adult reading speed, where the time hides, habit cues that work, and what to do on bad days.
- [Migraine Buddy vs Miggry: which diary fits?](https://lucernel.com/compare/migraine-buddy-vs-miggry.md): Migraine Buddy is a tracker with a community and premium coaching. Miggry is a quick diary that shows pressure and weather with every signal explained.
- [The low-FODMAP diet: how it works, who it helps, and how to start](https://lucernel.com/guides/low-fodmap-diet-guide.md): What FODMAPs are, the three phases of the low-FODMAP diet, what the trials and the ACG guideline found for IBS, who should see a doctor or dietitian first, and why it is a short test.
- [Types of headaches: a plain chart of the main kinds](https://lucernel.com/guides/types-of-headaches.md): The main kinds of headache in plain words: tension-type, migraine, cluster, sinus and medication-overuse, with how long each lasts, what else you feel, and which signs mean get care now.
- [Best lawn care apps for iPhone](https://lucernel.com/best/best-lawn-care-apps.md): Five iPhone lawn care apps compared on plans for your grass, weather timing, a work journal, privacy and price, with the facts from each App Store page.
- [Monash FODMAP app alternatives: what to use instead](https://lucernel.com/alternatives/monash-fodmap-alternatives.md): The Monash University FODMAP Diet app is the food guide from the team behind the diet. Here is what it covers, what it leaves to other tools, and the apps that fill the gaps.
- [Car maintenance schedule: what to do and when](https://lucernel.com/guides/car-maintenance-schedule.md): Typical service intervals by mileage and by time, how to read a time-or-mileage rule, what changes under severe conditions, and how to find the schedule for your own car.
- [NoFap timeline: what the research does and does not say](https://lucernel.com/guides/nofap-timeline.md): Where the day-by-day NoFap timeline comes from, what is self-report and what is research, and a calm first two weeks, 30 days and 90 days built on habits, not promises.
- [Fuelly alternatives for tracking a car on iPhone](https://lucernel.com/alternatives/fuelly-alternatives.md): Fuelly is a gas mileage and service tracker tied to Fuelly.com. Here is what it covers, what it leaves to other tools, and the apps to consider for fuel, maintenance and records.
- [How to weigh a horse without a scale](https://lucernel.com/guides/weigh-a-horse-without-a-scale.md): How to estimate a horse’s weight with a tape: where to measure heart girth and body length, the formulas for adults, yearlings and weanlings, and how accurate they are.
- [Gundam Card Game starter decks: which one to buy first](https://lucernel.com/guides/gundam-card-game-starter-decks.md): The four Gundam Card Game starter decks (ST01 to ST04), what is in each box, what they cost, which series they come from, and how to pick your first one.
- [Horse deworming schedule: fecal egg counts and targeted control](https://lucernel.com/guides/horse-deworming-schedule.md): Why fixed rotation deworming schedules fell out of favor, how fecal egg counts sort horses into low, moderate and high shedders, what foals need, and what record to keep for your vet.
- [How to keep a food and symptom diary your dietitian can use](https://lucernel.com/guides/food-and-symptom-diary.md): What to write down in a food and symptom diary for IBS or the low-FODMAP diet, how long to keep it, and how to make it useful for your doctor or dietitian.
- [Best car maintenance apps for iPhone](https://lucernel.com/best/best-car-maintenance-apps.md): Five iPhone apps for tracking car maintenance, compared on service reminders, records and receipts, costs, privacy and price, with the facts from each App Store page.
- [Barometric pressure and migraine: what the research says](https://lucernel.com/guides/barometric-pressure-migraine.md): Can a drop in air pressure trigger a migraine? What a year-long diary study found, why the change matters more than the level, and how to find out whether weather affects you.
- [Best book summary apps for iPhone](https://lucernel.com/best/best-book-summary-apps.md): Six iPhone apps that turn non-fiction books into short summaries or lessons, compared on format, lesson length, catalog, privacy and price, with facts from each App Store page.
- [Best low-FODMAP apps for iPhone](https://lucernel.com/best/best-low-fodmap-apps.md): Six iPhone apps for the low-FODMAP diet compared: food guides, barcode scanners and diaries, with what each does for elimination and reintroduction, privacy and price.
- [Best migraine tracker apps for iPhone](https://lucernel.com/best/best-migraine-tracker-apps.md): Five iPhone apps for logging migraine attacks, compared on logging speed, weather and pressure, doctor reports, privacy and price, with the facts from each App Store page.
- [Dog heat cycle: stages, signs and timing](https://lucernel.com/guides/dog-heat-cycle.md): The four stages of a dog’s heat cycle, how long each lasts, how often a female cycles, and when she ovulates, with the numbers from the Merck Veterinary Manual.
- [Horse vaccination schedule: core and risk-based vaccines](https://lucernel.com/guides/horse-vaccination-schedule.md): Which vaccines every adult horse needs each year, which depend on travel, shows and region, and how to keep the dates straight, following the AAEP guidelines.
- [How long does it take to read a book?](https://lucernel.com/guides/how-long-to-read-a-book.md): How long a book takes at the average adult reading speed, how to estimate the words in yours, and how much a daily reading habit gets through in a year.
- [How to read a VIN: what each of the 17 characters means](https://lucernel.com/guides/how-to-read-a-vin.md): What the 17 characters of a Vehicle Identification Number mean, how to find the model year and the plant, how the check digit catches typos, and where to decode one for free.
- [Low-FODMAP reintroduction: how to test one group at a time](https://lucernel.com/guides/low-fodmap-reintroduction.md): How the reintroduction phase of the low-FODMAP diet works: which groups to test, how to raise the portion over three days, when to stop, and how to record what you learn.
- [When to overseed your lawn, by grass type](https://lucernel.com/guides/when-to-overseed-lawn.md): The best time to overseed a lawn depends on the grass: late summer to early fall for cool-season lawns, late spring to early summer for warm-season ones. How to time it and prepare the soil.
- [Accountability app vs prayer app: what helps with lust?](https://lucernel.com/compare/accountability-app-vs-prayer-app-for-lust.md): Accountability apps show your activity to someone you trust. Prayer-first apps like Renounce change the moment you reach for your phone. What each does well and how to combine them.
- [App blocker vs content filter on iPhone: which do you need?](https://lucernel.com/compare/app-blocker-vs-content-filter-for-iphone.md): A content filter stops explicit websites from loading. An app blocker stops you from opening the app in the first place. Which one protects your weak moments, and why many people need both.
- [Apple Screen Time vs p*rn blocker apps: what each can do](https://lucernel.com/compare/apple-screen-time-vs-blocker-apps.md): Should you rely on Screen Time or install a p*rn blocker app? What Screen Time covers for free, what dedicated blockers add, and where a prayer-first app fits for Christians.
- [Bible app vs a temptation prayer app: which helps in the moment?](https://lucernel.com/compare/bible-app-vs-temptation-prayer-app.md): A Bible app is made for daily reading. A temptation prayer app is made for the minute you are about to fall. Why you likely need both, and where Renounce fits.
- [BlockerX vs Renounce: which blocker fits a Christian on iPhone?](https://lucernel.com/compare/blockerx-vs-renounce.md): BlockerX blocks adult websites and can cut your internet in a panic moment. Renounce guards your apps and puts prayer first. A side-by-side look at what each does on iPhone.
- [Brainbuddy vs Renounce: a 100-day program or a prayer-first guard?](https://lucernel.com/compare/brainbuddy-vs-renounce.md): Brainbuddy is a 100-day recovery program with check-ins, a community and a web filter. Renounce is a Christian app that guards your apps with a prayer pause. How they compare.
- [Christian accountability vs private discipline: which do you need?](https://lucernel.com/compare/christian-accountability-vs-private-discipline.md): Should you fight lust with an accountability partner or with private daily discipline? What each gives you, where each fails, and how a prayer-first app supports the private side.
- [Christian p*rn blocker app: what to look for on iPhone](https://lucernel.com/guides/christian-blocker-app.md): How to choose a Christian p*rn blocker for iPhone: what filters, accountability services and app guards each do, the questions to ask, and what to set up first.
- [Clean streak vs return log: how to track recovery without shame](https://lucernel.com/compare/clean-streak-vs-return-log.md): A clean streak counts days since your last fall. A return log records each fall and what triggered it. Why streaks alone can backfire, and how Renounce uses both.
- [Covenant Eyes alternative for iPhone: what to look for](https://lucernel.com/alternatives/covenant-eyes-alternative.md): Looking for something other than Covenant Eyes on iPhone? Start with what you actually need: someone watching, websites filtered, or apps guarded in the moment. Then match the tool to the job.
- [Covenant Eyes vs Renounce: which fits your iPhone?](https://lucernel.com/compare/covenant-eyes-vs-renounce-for-iphone.md): Covenant Eyes shows your browsing to a trusted ally. Renounce puts prayer and Scripture between you and the apps that pull you in. Here is how they differ on iPhone and who each one is for.
- [Earned time vs hard blocking: which keeps you off risky apps?](https://lucernel.com/compare/earned-time-vs-hard-blocking.md): Hard blocking shuts risky apps completely. Earned time lets you open them only with minutes you earn. Why strict blocks often end in workarounds, and how Renounce earns time through prayer and Scripture.
- [Fortify vs Renounce: which fits Christian recovery?](https://lucernel.com/compare/fortify-vs-renounce.md): Fortify is a recovery training app with education, check-ins, community, coaching and therapists. Renounce is a Christian app that guards your apps and puts prayer first. How they differ.
- [Migiri vs Renounce: which app blocker fits you?](https://lucernel.com/compare/migiri-vs-renounce.md): Migiri blocks adult content, sites and the apps you choose, and makes the blocks hard to bypass. Renounce guards apps too, but puts prayer before them. How they compare.
- [Monk mode vs scheduled blocking: which lasts longer?](https://lucernel.com/compare/monk-mode-vs-scheduled-blocking.md): Monk mode cuts almost everything for a stretch of days. Scheduled blocking guards specific apps at the hours you fall. Which one lasts, and how Renounce schedules protection with prayer.
- [No Nut challenge vs Renounce: a streak or a plan for the moment?](https://lucernel.com/compare/no-nut-vs-renounce.md): No Nut and NoFap style challenges count clean days. Renounce guards your apps and helps in the minute of temptation. Why a counter alone is fragile, and what to add.
- [Overcomer vs Renounce: choosing a Christian app to defeat lust](https://lucernel.com/compare/overcomer-vs-renounce.md): Overcomer and Renounce are both Christian apps for fighting lust. Here is what each is built around, what we could verify, and how to pick the one that fits your weak moments.
- [Prayer app for temptation: what helps in the moment](https://lucernel.com/guides/prayer-app-for-temptation.md): When temptation is already loud, a long devotional will not help. What a prayer app should do in that minute, a simple pattern you can use today, and how Renounce builds it in.
- [Prayer to unlock vs passcode blocking: what really stops you?](https://lucernel.com/compare/prayer-to-unlock-vs-passcode-blocking.md): A passcode stops you only if you do not know it. A prayer pause works even when you do. Why passcodes fail when you manage your own phone, and how Renounce puts prayer between you and the app.
- [Quit lust app: what actually helps on iPhone](https://lucernel.com/guides/quit-lust-app.md): Streak counters, blockers, accountability and prayer apps all promise to help you quit lust. What each one actually does, the habits that matter most, and how to build a setup that lasts.
- [QUITTR vs Renounce: which one helps you quit for good?](https://lucernel.com/compare/quittr-vs-renounce.md): QUITTR is a streak-and-program recovery app with a large community. Renounce is a Christian app that guards your apps and puts prayer first. How they compare and who each suits.
- [Renounce vs Apple Screen Time: is Screen Time enough for lust?](https://lucernel.com/compare/renounce-vs-apple-screen-time-for-lust.md): Apple Screen Time can limit apps, set downtime and restrict adult websites for free. Renounce builds on Screen Time and adds prayer, SOS and a way back after a fall. When the free tool is enough and when it is not.
- [SOS prayer vs app lock: what helps in the moment of temptation?](https://lucernel.com/compare/sos-prayer-vs-app-lock-for-temptation.md): An app lock keeps you out. An SOS prayer flow meets the urge itself, with breathing, prayer and one concrete step. Why you need both, and how Renounce combines them.
- [Unchaind vs Renounce: two Christian apps, two approaches](https://lucernel.com/compare/unchaind-vs-renounce.md): Unchaind and Renounce are both Christian apps for overcoming lust. Unchaind guides you with Scripture, check-ins and accountability; Renounce guards your apps and puts prayer before them. How to choose.
- [Bible verses by topic](https://lucernel.com/guides/bible-verses.md): Bible verses by topic from the World English Bible: lust, temptation, shame, forgiveness, loneliness and more, quoted in full with context and a short prayer.
- [Horse breeds: weight, height and care](https://lucernel.com/guides/horse-breeds.md): Horse breeds compared by typical weight and height, with daily hay estimates and breed care notes from registries and university sources.
- [Lawn care calendar by state](https://lucernel.com/guides/lawn-care-calendar.md): A month-by-month lawn care calendar for every US state: frost dates, grass types, when to fertilize, seed and aerate, from extension services.
- [Lawn grass types and how to care for them](https://lucernel.com/guides/grass-types.md): Lawn grass types compared: mowing height, yearly nitrogen, water, shade and when to seed for Bermuda, Zoysia, St. Augustine, tall fescue and more.
- [Bible verses for anxiety, especially late at night](https://lucernel.com/guides/bible-verses/anxiety.md): Bible verses for anxiety from the World English Bible: what Paul, Peter and Jesus say about worry, how to hand it over, and rest for a racing mind.
- [Bible verses about confession and accountability](https://lucernel.com/guides/bible-verses/confession-and-accountability.md): Bible verses about confession and accountability from the World English Bible: why telling another person helps, what to look for in a friend, and how to begin.
- [Bible verses about fleeing temptation](https://lucernel.com/guides/bible-verses/fleeing-temptation.md): Bible verses about fleeing temptation from the World English Bible: when the Bible says run, how Joseph did it, and the way out God provides.
- [Bible verses about God's forgiveness, and how complete it is](https://lucernel.com/guides/bible-verses/forgiveness.md): Bible verses about forgiveness from God, from the World English Bible: his character, the cost of the cross, how fully he clears sin, and how to receive it.
- [Bible verses about grace, a gift you cannot earn](https://lucernel.com/guides/bible-verses/grace.md): Bible verses about grace from the World English Bible: what grace is, why it cannot be earned, and how it teaches us to say no to sin rather than excusing it.
- [Bible verses about guarding your heart](https://lucernel.com/guides/bible-verses/guarding-the-heart.md): Bible verses about guarding your heart from the World English Bible: what the heart means in Scripture, why it matters, and how God helps you guard it.
- [Bible verses about guarding your eyes, and what to look at instead](https://lucernel.com/guides/bible-verses/guarding-your-eyes.md): Bible verses about guarding your eyes from the World English Bible: Job's covenant, the lamp of the body, a straight gaze, and looking to Jesus instead.
- [Bible verses for guilt after you have fallen](https://lucernel.com/guides/bible-verses/guilt-after-falling.md): Bible verses for guilt after a fall, from the World English Bible: what godly sorrow is for, how to confess plainly, and what God does with your sin.
- [Bible verses for hope after failure, and the next day](https://lucernel.com/guides/bible-verses/hope-after-failure.md): Bible verses for hope after failure from the World English Bible: people who fell and rose again, mercies new every morning, and love that nothing can cut off.
- [Bible verses about identity in Christ](https://lucernel.com/guides/bible-verses/identity-in-christ.md): Bible verses about identity in Christ from the World English Bible: who God says you are, beyond your worst moments and your habits.
- [Bible verses for loneliness, when no one is near](https://lucernel.com/guides/bible-verses/loneliness.md): Bible verses for loneliness from the World English Bible: a God who stays, a Spirit who lives with you, and a family he sets the lonely in. Read in context.
- [Bible verses about lust, and what to do with them tonight](https://lucernel.com/guides/bible-verses/lust.md): Bible verses about lust from the World English Bible, quoted in full: what Jesus and Paul say about desire, how to flee it, and grace after a fall.
- [Bible verses about perseverance, for the long road](https://lucernel.com/guides/bible-verses/perseverance.md): Bible verses about perseverance from the World English Bible: why the Bible says keep going, what trials build, and how to keep praying when progress is slow.
- [Bible verses about renewing your mind, one thought at a time](https://lucernel.com/guides/bible-verses/renewing-the-mind.md): Bible verses about renewing your mind from the World English Bible: transformed thinking, what to dwell on, taking thoughts captive, and being searched by God.
- [Bible verses about repentance, turning back to God](https://lucernel.com/guides/bible-verses/repentance.md): Bible verses about repentance from the World English Bible: what it means to turn back, why God welcomes it, and how sorrow becomes a change of direction.
- [Bible verses for resisting temptation when you are worn out](https://lucernel.com/guides/bible-verses/resisting-temptation.md): Bible verses for resisting temptation from the World English Bible: submit, draw near, watch and pray, and stand with the armor God gives. Read in context.
- [Bible verses about self-control, and where it comes from](https://lucernel.com/guides/bible-verses/self-control.md): Bible verses about self-control from the World English Bible: why it is fruit of the Spirit, how Paul trains for it, and what it means to rule your spirit.
- [Bible verses about sexual purity, and what it is for](https://lucernel.com/guides/bible-verses/sexual-purity.md): Bible verses about sexual purity from the World English Bible, read in context: a calling to holiness, a clean mind, honor in marriage, and a heart made new.
- [Bible verses for sexual temptation, and how to run](https://lucernel.com/guides/bible-verses/sexual-temptation.md): Bible verses for sexual temptation from the World English Bible, with context: why Joseph ran, what Proverbs warns, and the way of escape God promises.
- [Bible verses about shame, for when you feel you are the problem](https://lucernel.com/guides/bible-verses/shame.md): Bible verses about shame from the World English Bible: why shame is different from guilt, how God looks at you, and promises that your face will not be covered.
- [Bible verses about spiritual warfare](https://lucernel.com/guides/bible-verses/spiritual-warfare.md): Bible verses about spiritual warfare from the World English Bible: what Scripture says about the struggle, how Jesus answered temptation, and what God supplies.
- [Bible verses about strength in weakness, read in context](https://lucernel.com/guides/bible-verses/strength-in-weakness.md): Bible verses about strength in weakness from the World English Bible, read in context: Paul's thorn, God's grace, and strength for people who have run out.
- [Annual ryegrass lawn care: overseeding, mowing and feeding](https://lucernel.com/guides/grass-types/annual-ryegrass.md): How to use annual ryegrass on a lawn: when to overseed, seeding rate, mowing height, feeding and spring transition, from Clemson, NC State and Texas A&M.
- [Bahiagrass lawn care: mowing, feeding and seeding](https://lucernel.com/guides/grass-types/bahiagrass.md): How to care for a bahiagrass lawn: mowing height, nitrogen per year, when to fertilize and seed, mole crickets and weeds, from University of Florida.
- [Bermudagrass lawn care: mowing, fertilizing and seeding](https://lucernel.com/guides/grass-types/bermudagrass.md): How to care for a bermudagrass lawn: mowing height, nitrogen per year, when to fertilize and seed, and the pests and thatch to watch, from extension sources.
- [Blue grama lawn care: mowing, feeding and seeding](https://lucernel.com/guides/grass-types/blue-grama.md): How to care for a blue grama lawn: mow at 2 to 3 inches or leave it unmowed, feed lightly in summer, and seed in spring, from Colorado State and USDA NRCS.
- [Buffalograss lawn care: mowing, feeding and planting](https://lucernel.com/guides/grass-types/buffalograss.md): How to care for a buffalograss lawn: mowing height, nitrogen per year, when to seed, plug or sod, and weed control, from Colorado State and Texas A&M extension.
- [Carpetgrass lawn care: mowing, feeding and replanting](https://lucernel.com/guides/grass-types/carpetgrass.md): How to care for a carpetgrass lawn: mow at 2 inches, feed about 1 pound of nitrogen a year, replant after mid-April, and handle wet shady soil, from NC State.
- [Centipedegrass lawn care: mowing, feeding and seeding](https://lucernel.com/guides/grass-types/centipedegrass.md): How to care for a centipedegrass lawn: mowing height, a light nitrogen budget, seeding time, acid soil needs and centipedegrass decline, from extension sources.
- [Creeping bentgrass lawn care: what it takes and who needs it](https://lucernel.com/guides/grass-types/creeping-bentgrass.md): What creeping bentgrass needs: very low mowing, 3 to 5 pounds of nitrogen a year, fungicides and thatch control, and why it is mostly a golf green grass.
- [Emerald zoysia lawn care: mowing, feeding and thatch](https://lucernel.com/guides/grass-types/emerald-zoysia.md): What sets Emerald zoysia apart: fine dark leaves, more shade tolerance than Meyer, less winter hardiness, and thatch from over-fertilizing.
- [Fine fescue lawn care: mowing, feeding and shade](https://lucernel.com/guides/grass-types/fine-fescue.md): How to care for fine fescue: mow at 2.5 to 3.5 inches or leave it, feed lightly, seed in late summer, and use it in shade, from extension sources.
- [Kentucky bluegrass lawn care: mowing, feeding and seeding](https://lucernel.com/guides/grass-types/kentucky-bluegrass.md): How to care for a Kentucky bluegrass lawn: mowing height, nitrogen per year, fall feeding, late summer seeding and thatch, from extension sources.
- [Kikuyugrass: how it behaves in a lawn, and what to do about it](https://lucernel.com/guides/grass-types/kikuyugrass.md): Kikuyugrass in California lawns: how to tell it from St. Augustinegrass, how it grows and spreads, mowing, March pre-emergent timing, and when to keep it.
- [Meyer zoysia (Z-52) lawn care: hardiness, mowing and feeding](https://lucernel.com/guides/grass-types/meyer-zoysia.md): What sets Meyer zoysia (Z-52) apart: cold hardiness, medium-coarse leaves, shade and thatch compared with other cultivars, and nematode problems.
- [Perennial ryegrass lawn care: mowing, feeding and seeding](https://lucernel.com/guides/grass-types/perennial-ryegrass.md): How to care for perennial ryegrass: mowing height, nitrogen per year, seeding time, winter overseeding and heat limits, from extension sources.
- [Seashore paspalum lawn care: mowing, feeding and salt tolerance](https://lucernel.com/guides/grass-types/seashore-paspalum.md): How to care for seashore paspalum: 1 to 2 inch mowing, 2 to 4 pounds of nitrogen a year, salt tolerance, cold limits and disease, from Texas A&M and Florida.
- [St. Augustinegrass lawn care: mowing, feeding and planting](https://lucernel.com/guides/grass-types/st-augustinegrass.md): How to care for St. Augustinegrass: mowing height, nitrogen per year, planting time, shade, chinch bugs and cold limits, from Florida and Clemson extension.
- [Tall fescue lawn care: mowing, feeding and fall seeding](https://lucernel.com/guides/grass-types/tall-fescue.md): How to care for tall fescue: mowing height, nitrogen per year, fall fertilizing and overseeding dates, and brown patch, from NC State and Clemson extension.
- [Zoysiagrass lawn care: mowing, fertilizing and planting](https://lucernel.com/guides/grass-types/zoysiagrass.md): How to care for a zoysiagrass lawn: mowing height, nitrogen per year, when to fertilize, plant or plug, and common problems, from university extension sources.
- [American Paint Horse weight and height, and the carrier tests behind the coat](https://lucernel.com/guides/horse-breeds/american-paint-horse.md): American Paint Horse height and weight from extension sources, daily hay by body weight, and the lethal white overo, GBED and malignant hyperthermia tests.
- [American Saddlebred weight and height: a tall show horse and its feet](https://lucernel.com/guides/horse-breeds/american-saddlebred.md): American Saddlebred weight and height from the breed association and extension sources, daily hay by body weight, and metabolic and hoof care notes.
- [Appaloosa weight and height: coat patterns, night vision and eye disease](https://lucernel.com/guides/horse-breeds/appaloosa.md): Appaloosa weight and height from the breed association and extension sources, daily hay by body weight, and care notes on uveitis and night blindness.
- [Arabian horse weight and height: a smaller frame with three foal disease tests](https://lucernel.com/guides/horse-breeds/arabian.md): Arabian horse weight and height from Oklahoma State and extension sources, daily hay by body weight, and the SCID, CA and LFS tests breeders use.
- [Belgian Draft weight and height: the JEB test and feeding a very large horse](https://lucernel.com/guides/horse-breeds/belgian-draft.md): Belgian Draft weight and height from the breed registry, daily and yearly hay by body weight, and care notes on JEB testing, muscle disease and hooves.
- [Clydesdale weight and height: size, the feed bill and feathering skin care](https://lucernel.com/guides/horse-breeds/clydesdale.md): Clydesdale weight and height from Oklahoma State, daily and yearly hay by body weight, and care notes on feathering and chronic progressive lymphedema.
- [Dutch Warmblood weight and height: how to feed a warmblood from foal to adult](https://lucernel.com/guides/horse-breeds/dutch-warmblood.md): Dutch Warmblood height from the International Museum of the Horse, warmblood weight from Minnesota, hay by body weight, and Merck advice on growth and feeding.
- [Friesian weight and height, with the genetic tests and eye care owners ask about](https://lucernel.com/guides/horse-breeds/friesian.md): Friesian weight and height from FHANA and Oklahoma State, daily hay by body weight, and care notes on UC Davis dwarfism, hydrocephalus and eyelash tests.
- [Hanoverian weight and height: a warmblood size guide with joint and foal tests](https://lucernel.com/guides/horse-breeds/hanoverian.md): Hanoverian height from Kentucky, warmblood weight from Minnesota, daily hay by body weight, and care notes on osteochondrosis and the fragile foal test.
- [Holsteiner weight and height: a warmblood size guide and what carrier testing means](https://lucernel.com/guides/horse-breeds/holsteiner.md): Holsteiner height from Kentucky and the museum, warmblood weight from Minnesota, hay by body weight, and care notes on carrier testing and sport horse feeding.
- [Missouri Fox Trotter weight and height: a mid-sized Ozark trail horse](https://lucernel.com/guides/horse-breeds/missouri-fox-trotter.md): Missouri Fox Trotter weight and height from the breed association and extension sources, with daily hay by body weight and notes on hooves and trail work.
- [Morgan horse weight and height, and why an easy keeper needs watching](https://lucernel.com/guides/horse-breeds/morgan.md): Morgan horse weight and height from eXtension and Oklahoma State, daily hay by body weight, and Merck guidance on insulin dysregulation and laminitis.
- [Oldenburg weight and height: a large, compact warmblood and the load on its feet](https://lucernel.com/guides/horse-breeds/oldenburg.md): Oldenburg height from the International Museum of the Horse, warmblood weight from Minnesota, daily hay by body weight, and care notes on hooves and feeding.
- [Percheron weight and height: feed, hooves and body condition in a heavy horse](https://lucernel.com/guides/horse-breeds/percheron.md): Percheron weight and height from the breed association, daily and yearly hay by body weight, and care notes on draft muscle disease, hooves and condition.
- [American Quarter Horse weight and height, with the genetic tests that matter](https://lucernel.com/guides/horse-breeds/quarter-horse.md): American Quarter Horse weight and height from extension sources, daily hay at 1.5 to 2.5% of body weight, and the UC Davis genetic tests owners should know.
- [Shire horse weight and height: how big the breed is and how to check feathered legs](https://lucernel.com/guides/horse-breeds/shire.md): Shire horse weight and height from the breed association and Livestock Conservancy, hay by body weight, and care notes on feathered legs, feet and condition.
- [Standardbred weight and height: harness racers, feeding for fitness and retirement](https://lucernel.com/guides/horse-breeds/standardbred.md): Standardbred weight and height from Oklahoma State and extension sources, daily hay by body weight, and feeding notes for racing fitness and retirement.
- [Suffolk Punch weight and height: a rare draft horse that holds its weight easily](https://lucernel.com/guides/horse-breeds/suffolk-punch.md): Suffolk Punch weight and height from the breed association and Livestock Conservancy, hay by body weight, and care notes on easy keeping, feet and condition.
- [Tennessee Walking Horse weight and height: diet, night vision and hooves](https://lucernel.com/guides/horse-breeds/tennessee-walking-horse.md): Tennessee Walking Horse weight and height from the breed association and extension, daily hay by body weight, and notes on feed, hooves and night blindness.
- [Thoroughbred weight and height: a lean build, a big appetite and ulcer risk](https://lucernel.com/guides/horse-breeds/thoroughbred.md): Thoroughbred weight and height from the Jockey Club and extension sources, daily hay by body weight, and care notes on ulcers, small hooves and condition.
- [Lawn care calendar for Arizona: when to fertilize and seed](https://lucernel.com/guides/lawn-care-calendar/arizona.md): Arizona lawn calendar for the low desert: University of Arizona timing for bermudagrass, October ryegrass overseeding, fertilizer rates and NOAA frost dates.
- [Lawn care calendar for California: when to fertilize and seed](https://lucernel.com/guides/lawn-care-calendar/california.md): California lawn calendar for warm-season and cool-season grasses: when to fertilize, seed and mow, with UC IPM timing and NOAA frost dates for Sacramento.
- [Lawn care calendar for Florida: when to fertilize and seed](https://lucernel.com/guides/lawn-care-calendar/florida.md): Florida lawn calendar: when to fertilize and seed in north, central and south Florida, with mowing heights and NOAA frost dates for Tallahassee and Orlando.
- [Lawn care calendar for Georgia: when to fertilize and seed](https://lucernel.com/guides/lawn-care-calendar/georgia.md): Georgia lawn calendar by month for bermudagrass, zoysia, centipede, St. Augustine and tall fescue, with UGA timing and NOAA frost dates for Atlanta and Macon.
- [Lawn care calendar for Illinois: when to fertilize and seed](https://lucernel.com/guides/lawn-care-calendar/illinois.md): Month-by-month Illinois lawn calendar: when to fertilize, seed and apply crabgrass preventer in northern, central and southern Illinois, with NOAA frost dates.
- [Lawn care calendar for Indiana: when to fertilize and seed](https://lucernel.com/guides/lawn-care-calendar/indiana.md): Indiana lawn calendar for bluegrass and tall fescue: Purdue's September and November feeding, seeding dates, mowing heights and NOAA frost dates.
- [Lawn care calendar for Maryland: when to fertilize and seed](https://lucernel.com/guides/lawn-care-calendar/maryland.md): Maryland lawn calendar for tall fescue and zoysia: University of Maryland timing, the fertilizer law (March 1 to November 15, nitrogen caps), NOAA frost dates.
- [Lawn care calendar for Massachusetts: when to fertilize and seed](https://lucernel.com/guides/lawn-care-calendar/massachusetts.md): Massachusetts lawn calendar: UMass Extension nitrogen timing for cool-season turf, the 330 CMR 31.00 fertilizer rules and NOAA frost dates.
- [Lawn care calendar for Michigan: when to fertilize and seed](https://lucernel.com/guides/lawn-care-calendar/michigan.md): Michigan lawn calendar for bluegrass and tall fescue: MSU timing for seeding, crabgrass control and aeration, the phosphorus law, and NOAA frost dates.
- [Lawn care calendar for Missouri: when to fertilize and seed](https://lucernel.com/guides/lawn-care-calendar/missouri.md): Missouri lawn calendar for fescue and bluegrass: University of Missouri Extension's monthly schedule, seeding dates, mowing heights, watering, NOAA frost dates.
- [Lawn care calendar for New Jersey: when to fertilize and seed](https://lucernel.com/guides/lawn-care-calendar/new-jersey.md): New Jersey lawn calendar: Rutgers seeding dates, mowing and watering, the state fertilizer law (March 1 to November 15, nitrogen caps) and NOAA frost dates.
- [Lawn care calendar for New York: when to fertilize and seed](https://lucernel.com/guides/lawn-care-calendar/new-york.md): New York lawn calendar: feed in September, seed mid-August to September, and follow the winter fertilizer ban. NOAA frost dates for NYC, Buffalo, Albany.
- [Lawn care calendar for North Carolina: when to fertilize and seed](https://lucernel.com/guides/lawn-care-calendar/north-carolina.md): North Carolina lawn calendar for tall fescue, bermudagrass and zoysia: NC State seeding windows, mowing heights, watering and NOAA frost dates.
- [Lawn care calendar for Ohio: when to fertilize and seed](https://lucernel.com/guides/lawn-care-calendar/ohio.md): Ohio lawn calendar by month: fertilize in April-May and September-October, seed in late August or September, with NOAA frost dates for Cleveland and Columbus.
- [Lawn care calendar for Pennsylvania: when to fertilize and seed](https://lucernel.com/guides/lawn-care-calendar/pennsylvania.md): Pennsylvania lawn calendar: when to seed, fertilize and apply crabgrass preventer by region, with NOAA frost dates for Philadelphia and Pittsburgh.
- [Lawn care calendar for Tennessee: when to fertilize and seed](https://lucernel.com/guides/lawn-care-calendar/tennessee.md): Tennessee lawn calendar for tall fescue, bermudagrass and zoysia: UT Extension's monthly schedule, fertilizer, mowing and watering, plus NOAA frost dates.
- [Lawn care calendar for Texas: when to fertilize and seed](https://lucernel.com/guides/lawn-care-calendar/texas.md): Texas lawn calendar for bermudagrass and St. Augustine: when to fertilize, apply preventer and plant, with NOAA frost dates for Dallas and Houston.
- [Lawn care calendar for Virginia: when to fertilize and seed](https://lucernel.com/guides/lawn-care-calendar/virginia.md): Virginia lawn calendar for fescue, bluegrass, bermudagrass and zoysia: Virginia Tech feeding windows, seeding rates, watering, state rules, NOAA frost dates.
- [Lawn care calendar for Washington: when to fertilize and seed](https://lucernel.com/guides/lawn-care-calendar/washington.md): Washington lawn calendar for west and east of the Cascades: WSU feeding dates, seeding, mowing heights, watering, the phosphorus law and NOAA frost dates.

## Support

- [Renounce support](https://lucernel.com/renounce/support.md): Help with Renounce: contact, troubleshooting, subscriptions, refunds, data and deletion requests.
- [Carumi support](https://lucernel.com/carumi/support.md): Help with Carumi: contact, troubleshooting, subscriptions, refunds, data and deletion requests.
- [Gutli support](https://lucernel.com/gutli/support.md): Help with Gutli: contact, troubleshooting, subscriptions, refunds, data and deletion requests.
- [Miggry support](https://lucernel.com/miggry/support.md): Help with Miggry: contact, troubleshooting, subscriptions, refunds, data and deletion requests.
- [Lawnzo support](https://lucernel.com/lawnzo/support.md): Help with Lawnzo: contact, troubleshooting, subscriptions, refunds, data and deletion requests.
- [IQumi support](https://lucernel.com/iqumi/support.md): Help with IQumi: contact, troubleshooting, subscriptions, refunds, data and deletion requests.
- [Trotley support](https://lucernel.com/trotley/support.md): Help with Trotley: contact, troubleshooting, subscriptions, refunds, data and deletion requests.
- [Littero support](https://lucernel.com/littero/support.md): Help with Littero: contact, troubleshooting, subscriptions, refunds, data and deletion requests.
- [GunTomo support](https://lucernel.com/guntomo/support.md): Help with GunTomo: contact, troubleshooting, subscriptions, refunds, data and deletion requests.
- [Waxley support](https://lucernel.com/waxley/support.md): Help with Waxley: contact, troubleshooting, subscriptions, refunds, data and deletion requests.

## Legal

- [Renounce Terms of Use](https://lucernel.com/renounce/terms.md): Terms of use for Renounce.
- [Renounce Privacy Policy](https://lucernel.com/renounce/privacy-policy.md): Privacy policy for Renounce.
- [Carumi Terms of Use](https://lucernel.com/carumi/terms.md): Terms of use for Carumi.
- [Carumi Privacy Policy](https://lucernel.com/carumi/privacy-policy.md): Privacy policy for Carumi.
- [Gutli Terms of Use](https://lucernel.com/gutli/terms.md): Terms of use for Gutli.
- [Gutli Privacy Policy](https://lucernel.com/gutli/privacy-policy.md): Privacy policy for Gutli.
- [Miggry Terms of Use](https://lucernel.com/miggry/terms.md): Terms of use for Miggry.
- [Miggry Privacy Policy](https://lucernel.com/miggry/privacy-policy.md): Privacy policy for Miggry.
- [Lawnzo Terms of Use](https://lucernel.com/lawnzo/terms.md): Terms of use for Lawnzo.
- [Lawnzo Privacy Policy](https://lucernel.com/lawnzo/privacy-policy.md): Privacy policy for Lawnzo.
- [IQumi Terms of Use](https://lucernel.com/iqumi/terms.md): Terms of use for IQumi.
- [IQumi Privacy Policy](https://lucernel.com/iqumi/privacy-policy.md): Privacy policy for IQumi.
- [Trotley Terms of Use](https://lucernel.com/trotley/terms.md): Terms of use for Trotley.
- [Trotley Privacy Policy](https://lucernel.com/trotley/privacy-policy.md): Privacy policy for Trotley.
- [Littero Terms of Use](https://lucernel.com/littero/terms.md): Terms of use for Littero.
- [Littero Privacy Policy](https://lucernel.com/littero/privacy-policy.md): Privacy policy for Littero.
- [GunTomo Terms of Use](https://lucernel.com/guntomo/terms.md): Terms of use for GunTomo.
- [GunTomo Privacy Policy](https://lucernel.com/guntomo/privacy-policy.md): Privacy policy for GunTomo.
- [Waxley Terms of Use](https://lucernel.com/waxley/terms.md): Terms of use for Waxley.
- [Waxley Privacy Policy](https://lucernel.com/waxley/privacy-policy.md): Privacy policy for Waxley.
- [Lucernel Terms of Use](https://lucernel.com/terms.md): Lucernel Terms of Use for websites, apps and services.
- [Lucernel Privacy Policy](https://lucernel.com/privacy.md): Lucernel Privacy Policy for websites, apps and services.

## Optional

- [Content API](https://lucernel.com/api): JSON index of apps and articles, with search
- [MCP server](https://lucernel.com/mcp): read-only tools to list, search and analyze Lucernel content
- [OpenAPI](https://lucernel.com/openapi.json)
- [Sitemap](https://lucernel.com/sitemap-index.xml)