# Sleep Effect vs Don't Disturb

The clearest difference is update cadence: Don't Disturb at every 3 days against Sleep Effect's fortnightly. Don't Disturb also leads on iOS requirement (18.0 vs 26.1). On price, ads, in-app purchases and device support there is nothing between them.

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

Sleep Effect ships an update fortnightly, Don't Disturb every 3 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Sleep Effect | Don't Disturb |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 324 MB | 126 MB |
| Requires iOS | 26.1 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ahmed Nabulsi](https://appshunter.io/developer/1863897890) | [Rojo Volcan](https://appshunter.io/developer/6792140677) |

## 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


### Don't Disturb

[App page](https://appshunter.io/ios/app/dont-disturb-sleep-sounds/id6792140675)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sleep Effect free?

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

### Is Don't Disturb free?

Don't Disturb is free to download, with no in-app purchases.

### Do Sleep Effect or Don't Disturb have ads?

Neither Sleep Effect nor Don't Disturb shows ads.

### Which is updated more often, Sleep Effect or Don't Disturb?

Sleep Effect ships an update fortnightly, and Don't Disturb every 3 days. Most recently, Sleep Effect was updated on October 25, 2026 and Don't Disturb 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.*