# myRhythmWatch vs REPACE

The clearest difference is iOS requirement: REPACE at 13.0 against myRhythmWatch's 15.5. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

myRhythmWatch ships an update fortnightly, REPACE every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | myRhythmWatch | REPACE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/myrhythmwatch/id1535083759/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free | — |
| Size | 26 MB | 92 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [University of Pittsburgh](https://appshunter.io/developer/522288075) | [OBELAB](https://appshunter.io/developer/1584957188) |

## What reviewers say

### myRhythmWatch

[App page](https://appshunter.io/ios/app/myrhythmwatch/id1535083759)

This app helps you understand and track your body's natural 24-hour cycles. By wearing an Apple Watch continuously, you can monitor your circadian rhythms, which are crucial for overall health and well-being. Identifying and improving these rhythms can lead to better sleep and health outcomes.

**Highlights:** Circadian rhythm monitoring, Apple Watch integration, HealthKit synchronization, Rhythm stability assessment, Health outcome improvement insights

**In-app purchases:** none


### REPACE

[App page](https://appshunter.io/ios/app/repace/id1585726892)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is myRhythmWatch free?

myRhythmWatch is free to download, with no in-app purchases.

### Is REPACE free?

REPACE is free to download, with no in-app purchases.

### Do myRhythmWatch or REPACE have ads?

Neither myRhythmWatch nor REPACE shows ads.

### Which is updated more often, myRhythmWatch or REPACE?

myRhythmWatch ships an update fortnightly, and REPACE every 3 weeks. Most recently, myRhythmWatch was updated on October 24, 2026 and REPACE on October 25, 2026.

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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.*