# LockIn vs Rhythm

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.

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.

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.

## The numbers

| Metric | LockIn | Rhythm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/lockin-screen-time-control/id6756734456/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/rhythm-master-productivity/id6759317665/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free | Free |
| Size | 40 MB | 36 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tymofii Hrynchuk](https://appshunter.io/developer/1833879471) | [SAMUEL JAMES HARBISON GEE](https://appshunter.io/developer/1878077077) |

## What reviewers say

### LockIn

[App page](https://appshunter.io/ios/app/lockin-screen-time-control/id6756734456)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.99 | per 7 days |
| Monthly Subscription LockIn | $7.99 | per month |
| Annual Subscription LockIn | $29.99 | per year |


### Rhythm

[App page](https://appshunter.io/ios/app/rhythm-master-productivity/id6759317665)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*