# Rebreeth vs Sleep Effect

The clearest difference is in-app purchases: Sleep Effect at none against Rebreeth's 1. Sleep Effect also leads on update cadence (fortnightly vs monthly). Rebreeth's advantage is iOS requirement (17.0 vs 26.1). On price, ads and device support there is nothing between them.

Both are free to download. Rebreeth sells 1 in-app purchase, starting at $24.99 per year. Sleep Effect asks for nothing beyond the download.

Rebreeth ships an update monthly, Sleep Effect fortnightly. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Rebreeth | Sleep Effect |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 241 MB | 324 MB |
| Requires iOS | **17.0** | 26.1 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Use the Case Oy](https://appshunter.io/developer/1793610384) | [Ahmed Nabulsi](https://appshunter.io/developer/1863897890) |

## What reviewers say

### Rebreeth

[App page](https://appshunter.io/ios/app/rebreeth/id6741215476)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription | $24.99 | per year |


### Sleep Effect

[App page](https://appshunter.io/ios/app/sleep-effect/id6762162467)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Rebreeth free?

Rebreeth is free to download, with in-app purchases available.

### Is Sleep Effect free?

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

### Do Rebreeth or Sleep Effect have ads?

Neither Rebreeth nor Sleep Effect shows ads.

### Which is updated more often, Rebreeth or Sleep Effect?

Rebreeth ships an update monthly, and Sleep Effect fortnightly. Most recently, Rebreeth was updated on November 8, 2026 and Sleep Effect on November 9, 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.*