Comparison

Croc vs Monyx

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Croc

Features
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Do you bite your nails without even realizing it? Croc helps you stop. Not through willpower, but through a method. One small pact each day, with a mascot by your side that never judges you. ONE PACT A DAY In the morning, make your commitment by pressing and holding the circle. In the evening, confirm your day. Every pact you keep extends your streak and earns you notches. A reminder lets you know when your streak is at risk. WHEN THE URGE HITS Tap “I have an urge, help me resist.” Croc guides you through the moments that matter with simple actions designed to help the urge pass: clench your fists, breathe slowly, or take a sip of water. Log where you were so you can identify what triggers your nail biting. TRACK YOUR NAILS WITH PHOTOS Take a photo of your right hand, then your left, using the same framing each time. Drag the slider to compare before and after and see how your nails change over time. Your photo journal stays private. EVERYTHING YOU NEED TO STAY ON TRACK • Live time since your last bite • Milestones to reach: 1, 3, 7, 14, 21, 30, 66 and 100 days • The Milestone: keep 30 pacts in a row to earn the Gold Seal • Medals to unlock • Daily actions to care for your hands: apply hand cream, use bitter nail polish, or take a photo of your nails ONE SLIP DOESN’T ERASE YOUR PROGRESS It happens. Log it in one tap, restart your pact right away, and the day can still count. Your notches and total number of bite-free days stay with you. UNDERSTAND YOUR HABITS See when nail biting happens and in which situations, so you can anticipate the moments when you’re most at risk. YOUR PROGRESS AT A GLANCE Home Screen and Lock Screen widgets show your streak, today’s pact, and your progress toward The Milestone. CROC+ The essentials stay free: pacts, streaks, urge support, daily actions, and access to your photos. Croc+ gives you even more: • 40 two-hand photo check-ins instead of 2 • Before-and-after comparisons between any dates you choose • The Shield: reminders around the times when your urges are most likely to return • 90 days of habit analysis instead of 30 • Access to every color palette Croc+ is available as an automatically renewing monthly subscription or as a one-time lifetime purchase. Payment will be charged to your Apple Account upon confirmation of purchase. Your subscription renews automatically unless canceled at least 24 hours before the end of the current billing period. You can manage or cancel your subscription at any time in your App Store account settings. Terms of Use: https://croc-snowy.vercel.app/terms Privacy Policy: https://croc-snowy.vercel.app/privacy Croc is a wellness app. It is not a substitute for professional medical advice.

About

Monyx

Features
Read full description

You don't bite your nails because you lack willpower. You bite them because your hand moves on its own. 92% of nail biters say they never see the gesture coming. That's the whole problem, and it's why deciding to stop has never been enough. Monyx works on the gesture itself: noticing it, logging it, replacing it. THE DAILY PACT Every morning, sign your pact by holding your finger down for three seconds. Every evening, answer “Pact kept” right from the notification, and your day is confirmed. Your calendar fills up, kept days link into a streak, and 19 badges mark your milestones. THE METHOD 21 days of Habit Reversal Training, the behavioral method with the most evidence behind it. One lesson a day, one minute each, one exercise to try before evening. Each day unlocks once you've done the one before. Week 1, see the gesture. Week 2, replace it. Week 3, lock it in. TWO TAPS ON THE BACK OF YOUR IPHONE The urge rises. Two taps on the back of your phone and it's logged, without opening the app, without taking your eyes off what you were doing. That's the whole point: a log that costs nothing is a log you actually keep. After a few days, the Progress tab shows what you couldn't see. Your urges cluster around two or three situations, not everywhere. You stop fighting all day and start defending a few precise moments. YOUR NAILS, IN PHOTOS One photo a week, always framed the same way, with an alignment overlay so the comparison holds. A nail grows about 0.1 mm a day. It won't show tomorrow. In two months the difference jumps out at you. WHEN THE URGE HITS Make a fist and follow a guided breath: 4-7-8, in for 4 seconds, hold for 7, out for 8, or 5 minutes of coherent breathing. Almost every urge passes in under two minutes, whether you bite or not. Every wave you ride out teaches your brain that it ends without going through your mouth. AND IF YOU SLIP One bad evening costs a few days on one finger. The spiral that follows costs months on ten. Monyx logs the slip as a data point, not a verdict, and asks what set it off. The people who make it aren't the ones who never slip. They're the ones who start again within 24 hours. Monyx is also for people who pick or peel the skin around their nails instead of biting. The app asks at the start and adapts your tracking. YOUR DATA STAYS ON YOUR IPHONE No account, no email, no password. Everything you log stays on your device and syncs only to your own iCloud, if you've turned it on. No analytics, no advertising, no third parties. You can erase everything from the app, for good, in two taps. Monyx is not a medical device and does not replace a healthcare professional. FREE The daily pact, your calendar and badges, the card of the day, your streak, unlimited logging, your millimeters of growth, and one photo a week. WITH PREMIUM The full 21-day program, your trigger analysis, one photo a day and the emergency Breathe button. Try the yearly plan free for 3 days, or go monthly. Cancel anytime in your iPhone settings. A question, an idea, a bug: hello@getmonyx.app, we always reply. Terms of Use: https://getmonyx.app/terms.html Privacy Policy: https://getmonyx.app/privacy.html

Screenshots

Croc3 screens
Monyx4 screens

Verdict

The call

Croc and Monyx are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Croc sells 2 in-app purchases, starting at $3.99 per month and Monyx sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Croc ships an update every 9 days, Monyx weekly. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

ScorecardNo meaningful differences
Croc versus Monyx: the parameters behind the verdict, then further details
ParameterCrocMonyx
PriceFreeFree
Update frequencyEvery 9 daysWeekly — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, Apple Watch — better
Requires iOS16.4 — better17.0
Further details — not scored
Size80 MB5 MB
Age rating4+12+
DeveloperKenz NarainenLUC BRUNNARIUS

In-app purchases

2 purchases

Croc

Subscriptions1
  • Croc+$3.991 Month
One-time1
  • Croc ++$29.99
2 purchases

Monyx

Subscriptions2
  • Monyx Premium Mensuel$4.991 Month
  • Monyx Premium Annuel$34.991 Year

Questions

Is Croc free?
Croc is free to download, with in-app purchases available.
Is Monyx free?
Monyx is free to download, with in-app purchases available.
Do Croc or Monyx have ads?
Neither Croc nor Monyx shows ads.
Which is updated more often, Croc or Monyx?
Croc ships an update every 9 days, and Monyx weekly. Most recently, Croc was updated on November 8, 2026 and Monyx on October 31, 2026.

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