# Sleep Tracker vs Somnalyze

The clearest difference is in-app purchases: Somnalyze at none against Sleep Tracker's 2. Somnalyze also leads on update cadence (every 10 days vs every 5 weeks). Sleep Tracker's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Sleep Tracker sells 2 in-app purchases, starting at $4.99 per month. Somnalyze asks for nothing beyond the download.

Sleep Tracker ships an update every 5 weeks, Somnalyze every 10 days. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sleep Tracker | Somnalyze |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Size | 47 MB | 12 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ramazan Erikli](https://appshunter.io/developer/1789625854) | [宇新 梁](https://appshunter.io/developer/1863293286) |

## What reviewers say

### Sleep Tracker

[App page](https://appshunter.io/ios/app/sleep-tracker-sleep-diary/id6766016682)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sleep Tracker Premium (Monthly) | $4.99 | per month |
| Sleep Tracker Premium (Yearly) | $39.99 | per year |


### Somnalyze

[App page](https://appshunter.io/ios/app/somnalyze/id6800693333)

**In-app purchases:** none


## Frequently asked questions

### Is Sleep Tracker free?

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

### Is Somnalyze free?

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

### Do Sleep Tracker or Somnalyze have ads?

Neither Sleep Tracker nor Somnalyze shows ads.

### Which is updated more often, Sleep Tracker or Somnalyze?

Sleep Tracker ships an update every 5 weeks, and Somnalyze every 10 days. Most recently, Sleep Tracker was updated on October 13, 2026 and Somnalyze on October 24, 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.*