# 수면지킴이(Sleep Keeper) vs mimisoom

The clearest difference is iOS requirement: 수면지킴이(Sleep Keeper) at 11.0 against mimisoom's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

수면지킴이(Sleep Keeper) ships an update fortnightly, mimisoom every 3 weeks. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 수면지킴이(Sleep Keeper) | mimisoom |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 142 MB | 130 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Swing2App Co. Ltd.](https://appshunter.io/developer/573223450) | [healion co.,Ltd](https://appshunter.io/developer/1732969593) |

## What reviewers say

### 수면지킴이(Sleep Keeper)

[App page](https://appshunter.io/ios/app/sleep-keeper/id6448084250)

**Features:** macOS Compatibility

**In-app purchases:** none


### mimisoom

[App page](https://appshunter.io/ios/app/mimisoom/id6759763067)

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

**In-app purchases:** none


## Frequently asked questions

### Is 수면지킴이(Sleep Keeper) free?

수면지킴이(Sleep Keeper) is free to download, with no in-app purchases.

### Is mimisoom free?

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

### Do 수면지킴이(Sleep Keeper) or mimisoom have ads?

Neither 수면지킴이(Sleep Keeper) nor mimisoom shows ads.

### Which is updated more often, 수면지킴이(Sleep Keeper) or mimisoom?

수면지킴이(Sleep Keeper) ships an update fortnightly, and mimisoom every 3 weeks. Most recently, 수면지킴이(Sleep Keeper) was updated on October 12, 2026 and mimisoom on October 16, 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.*