# Sleep Effect vs SleepWave

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

Both are free to download. SleepWave sells 1 one-off in-app purchase. Sleep Effect asks for nothing beyond the download.

## The numbers

| Metric | Sleep Effect | SleepWave |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | Fortnightly | — |
| Size | 324 MB | 197 MB |
| Requires iOS | 26.1 | **17.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Ahmed Nabulsi](https://appshunter.io/developer/1863897890) | [玮迪 黄](https://appshunter.io/developer/1895628756) |

## What reviewers say

### Sleep Effect

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

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

**In-app purchases:** none


### SleepWave

[App page](https://appshunter.io/ios/app/sleepwave-sleep-and-focus/id6770190468)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Unlock | $5.99 | one-time |


## Frequently asked questions

### Is Sleep Effect free?

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

### Is SleepWave free?

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

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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.*