# YH Diary vs Sleep_keeper

The clearest difference is update cadence: YH Diary at daily against Sleep_keeper's every 2 months. 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.

YH Diary ships an update daily, Sleep_keeper every 2 months. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | YH Diary | Sleep_keeper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 months |
| Size | 65 MB | 69 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [yunhyung nam](https://appshunter.io/developer/1756646776) | [슬립포레스트](https://appshunter.io/developer/1814767840) |

## What reviewers say

### YH Diary

[App page](https://appshunter.io/ios/app/yh-diary/id6760019199)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sleep_keeper

[App page](https://appshunter.io/ios/app/sleep-keeper/id6772010687)

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

**In-app purchases:** none


## Frequently asked questions

### Is YH Diary free?

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

### Is Sleep_keeper free?

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

### Do YH Diary or Sleep_keeper have ads?

Neither YH Diary nor Sleep_keeper shows ads.

### Which is updated more often, YH Diary or Sleep_keeper?

YH Diary ships an update daily, and Sleep_keeper every 2 months. Most recently, YH Diary was updated on November 9, 2026 and Sleep_keeper on November 10, 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.*