Comparison

LockIn vs Rhythm

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

Head to head
About

LockIn

This app helps high-achievers regain control of their day by blocking distracting apps and websites. It uses AI-assisted planning and unique verification methods like photo proof and AI fitness tracking to ensure task completion and habit formation.

Highlights
  • AI-assisted scheduling
  • Hard app and website blocking
  • ML-powered fitness verification
  • Photo proof verification
  • 21-day habit architect
  • Integration with Apple Health
Features
Read full description

Your phone is stealing your day. LockIn helps you take it back. Open Instagram, TikTok, or YouTube and one quick check turns into a lost hour. LockIn blocks the apps that distract you - and makes you earn your screen time back with real actions. HOW IT WORKS Block your worst apps. Set a daily limit for each one. When you want screen time, you earn it. Do something real, get coins, then spend coins to unlock your apps for a while. EARN YOUR MINUTES Move your body. LockIn counts your reps in real time with your camera, so you can't fake it. Pushups, squats, pull-ups, planks, jumping jacks, lunges, crunches, shoulder press, leg raises, high knees, wall sits, and side planks. Prove your habits. Snap a photo to show you touched grass, read a book, cleaned your room, or got outside. SET HARD LIMITS Give each app a daily limit it can't go over. Add an app to your block list and earn coins. Want to take one off? That costs you. It's built to keep you honest. STAY ON A STREAK Show up every day, keep your streak alive, and collect bonus coins. Focus becomes a game you actually want to win. MADE FOR PEOPLE WHO WANT MORE The student beating the TikTok trap during finals. The founder who needs real focus. The athlete turning screen time into a workout. Anyone who wants to end the day proud, not guilty. YOUR PRIVACY STAYS YOURS LockIn uses Apple's official Screen Time API and works right on your phone. Your photos, camera, and data never leave your device. Stop scrolling. Start living. LockIn today. Free to start. Upgrade anytime for full access. Questions? lockin@fibipals.com Terms: https://lockin.fibipals.com/terms-of-service Privacy: https://lockin.fibipals.com/privacy-policy

About

Rhythm

Understand your body's natural energy cycles to optimize your workday. This app helps you track sleep, mood, and focus to schedule tasks effectively and improve productivity.

Highlights
  • Personal focus curve tracking
  • Schedule tasks around energy peaks
  • Goal and progress tracking
  • Sleep and mood pattern analysis
  • Science-backed productivity tips
  • Circadian rhythm insights
Features
Read full description

Work when your brain is sharp. Your energy and focus change through the day, that's your circadian rhythm. Rhythm helps you understand it and use it. Your personal focus curve Log your sleep and morning mood. Rhythm builds a curve of your energy across the day so you know when you're sharp and when you need to rest. Plan around your peaks Schedule deep work in your peak hours and lighter tasks in your troughs. Get more done with less effort. Track goals and progress Set daily and long-term goals, log study sessions, and keep streaks. See how your habits affect your energy. Sleep and insights Track sleep times, sleep debt, and mood patterns. Learn how sleep and light shape your rhythm. Science-backed Lab Explore evidence-based tips on circadian rhythm, sleep, and light. Run simple experiments to improve your energy. Built for students and professionals Whether you're studying, working, or building habits, Rhythm helps you work with your biology instead of against it.

Screenshots

LockIn4 screens
Rhythm4 screens

Verdict

The call

The clearest difference is rating: LockIn at 4.8 against Rhythm's 2.0. LockIn also leads on ratings volume (4 vs 1). Rhythm's advantage is in-app purchases (none vs 3) and iOS requirement (15.1 vs 17.0). On price, ads, monetization model and device support there is nothing between them.

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. LockIn sells 3 in-app purchases, starting at $3.99 per 7 days. Rhythm asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

LockIn holds the better App Store score, 4.8 against 2.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Scorecard4 real differences · 6 level
LockIn versus Rhythm: the parameters behind the verdict, then further details
ParameterLockInRhythm
PriceFreeFree
Rating4.8 (4 ratings) — better2.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings4 — better1
Update frequencyMonthly—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.1 — better
Further details — not scored
Size40 MB36 MB
Age rating4+4+
DeveloperTymofii HrynchukSAMUEL JAMES HARBISON GEE

In-app purchases

3 purchases

LockIn

Subscriptions3
  • Weekly Subscription$3.997 Days
  • Monthly Subscription LockIn3 Days trial$7.991 Month
  • Annual Subscription LockIn$29.991 Year
None

Rhythm

No in-app purchases

Questions

Is LockIn free?
LockIn is free to download, with in-app purchases available.
Is Rhythm free?
Rhythm is free to download, with no in-app purchases.
Which has better reviews, LockIn or Rhythm?
LockIn is rated higher. LockIn averages 4.8 out of 5 from 4 ratings, while Rhythm averages 2.0 from 1 ratings.
Do LockIn or Rhythm have ads?
Neither LockIn nor Rhythm shows ads.

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