# 수면지킴이(Sleep Keeper) vs 귀뚜라미 카본보드

The clearest difference is update cadence: 수면지킴이(Sleep Keeper) at fortnightly against 귀뚜라미 카본보드's every 4 months. 수면지킴이(Sleep Keeper) also leads on iOS requirement (11.0 vs 14.0). 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.

수면지킴이(Sleep Keeper) ships an update fortnightly, 귀뚜라미 카본보드 every 4 months. The most recent releases landed on September 26, 2026 and August 13, 2026 respectively.

## The numbers

| Metric | 수면지킴이(Sleep Keeper) | 귀뚜라미 카본보드 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Size | 142 MB | 4 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Swing2App Co. Ltd.](https://appshunter.io/developer/573223450) | [(주)귀뚜라미](https://appshunter.io/developer/1037231896) |

## What reviewers say

### 수면지킴이(Sleep Keeper)

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

**Features:** macOS Compatibility

**In-app purchases:** none


### 귀뚜라미 카본보드

[App page](https://appshunter.io/ios/app/id6470977183)

**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 귀뚜라미 카본보드 free?

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

### Do 수면지킴이(Sleep Keeper) or 귀뚜라미 카본보드 have ads?

Neither 수면지킴이(Sleep Keeper) nor 귀뚜라미 카본보드 shows ads.

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

수면지킴이(Sleep Keeper) ships an update fortnightly, and 귀뚜라미 카본보드 every 4 months. Most recently, 수면지킴이(Sleep Keeper) was updated on September 26, 2026 and 귀뚜라미 카본보드 on August 13, 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.*