# カラフク vs 睡眠ドッグ

The clearest difference is update cadence: 睡眠ドッグ at every 2 weeks against カラフク's every 2 months. カラフク's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 17.0). On price, 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.

カラフク ships an update every 2 months, 睡眠ドッグ every 2 weeks. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | カラフク | 睡眠ドッグ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 137 MB | 9 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Takumi Takahashi](https://appshunter.io/developer/1718420011) | [Hayato Kitaoka](https://appshunter.io/developer/1634161426) |

## What reviewers say

### カラフク

[App page](https://appshunter.io/ios/app/id6473094870)

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

**In-app purchases:** none


### 睡眠ドッグ

[App page](https://appshunter.io/ios/app/id6475922311)

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

**In-app purchases:** none


## Frequently asked questions

### Is カラフク free?

カラフク is free to download, with no in-app purchases.

### Is 睡眠ドッグ free?

睡眠ドッグ is free to download, with no in-app purchases.

### Do カラフク or 睡眠ドッグ have ads?

Neither カラフク nor 睡眠ドッグ shows ads.

### Which is updated more often, カラフク or 睡眠ドッグ?

カラフク ships an update every 2 months, and 睡眠ドッグ every 2 weeks. Most recently, カラフク was updated on October 25, 2026 and 睡眠ドッグ on October 27, 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.*