# onSleep vs Timer 7Sounds

The clearest difference is in-app purchases: Timer 7Sounds at none against onSleep's 2. onSleep's advantage is iOS requirement (15.1 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. onSleep sells 2 in-app purchases, starting at $3.99 per month. Timer 7Sounds asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | onSleep | Timer 7Sounds |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 73 MB | 57 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [appsix](https://appshunter.io/developer/1867625178) | [Dmitrii Ulianov](https://appshunter.io/developer/1860957339) |

## What reviewers say

### onSleep

[App page](https://appshunter.io/ios/app/onsleep-sleep-tracker-and-diary/id6757688486)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| onSleep Pro Monthly Plan | $3.99 | per month |
| onSleep Pro Yearly Plan | $29.99 | per year |


### Timer 7Sounds

[App page](https://appshunter.io/ios/app/timer-7sounds/id6758570525)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is onSleep free?

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

### Is Timer 7Sounds free?

Timer 7Sounds is free to download, with no in-app purchases.

### Do onSleep or Timer 7Sounds have ads?

Neither onSleep nor Timer 7Sounds shows ads.

### Which is updated more often, onSleep or Timer 7Sounds?

onSleep ships an update monthly, and Timer 7Sounds monthly. Most recently, onSleep was updated on October 12, 2026 and Timer 7Sounds 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.*