# Sleep Diary by Psyktest vs Snooze Sleep System

Sleep Diary by Psyktest and Snooze Sleep System are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Sleep Diary by Psyktest | Snooze Sleep System |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 57 MB | 188 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Lavamilk AS](https://appshunter.io/developer/1832836684) | [Ultimate Snooze LLC](https://appshunter.io/developer/1895818229) |

## What reviewers say

### Sleep Diary by Psyktest

[App page](https://appshunter.io/ios/app/sleep-diary-by-psyktest/id6749919068)

**Features:** macOS Compatibility

**In-app purchases:** none


### Snooze Sleep System

[App page](https://appshunter.io/ios/app/snooze-sleep-system/id6808773942)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sleep Diary by Psyktest free?

Sleep Diary by Psyktest is free to download, with no in-app purchases.

### Is Snooze Sleep System free?

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

### Do Sleep Diary by Psyktest or Snooze Sleep System have ads?

Neither Sleep Diary by Psyktest nor Snooze Sleep System shows ads.

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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.*