# ずんだもんと一緒に認知シャッフル睡眠法 vs CorgiButts

The clearest difference is in-app purchases: ずんだもんと一緒に認知シャッフル睡眠法 at none against CorgiButts's 1. ずんだもんと一緒に認知シャッフル睡眠法 also leads on device support (3 vs 1) and iOS requirement (12.0 vs 26.2). CorgiButts's advantage is update cadence (every 5 days vs every 10 days). On price and ads there is nothing between them.

Both are free to download. CorgiButts sells 1 one-off in-app purchase. ずんだもんと一緒に認知シャッフル睡眠法 asks for nothing beyond the download.

ずんだもんと一緒に認知シャッフル睡眠法 ships an update every 10 days, CorgiButts every 5 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ずんだもんと一緒に認知シャッフル睡眠法 | CorgiButts |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 5 days** |
| Size | 53 MB | 11 MB |
| Requires iOS | **12.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [arai.me](https://appshunter.io/developer/1652629805) | [Yamada Fuuya](https://appshunter.io/developer/1554427655) |

## What reviewers say

### ずんだもんと一緒に認知シャッフル睡眠法

[App page](https://appshunter.io/ios/app/id6473627974)

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

**In-app purchases:** none


### CorgiButts

[App page](https://appshunter.io/ios/app/corgibutts-habit-tracker/id6762085325)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CorgiKetu Premium Unlocked | $1.99 | one-time |


## Frequently asked questions

### Is ずんだもんと一緒に認知シャッフル睡眠法 free?

ずんだもんと一緒に認知シャッフル睡眠法 is free to download, with no in-app purchases.

### Is CorgiButts free?

CorgiButts is free to download, with in-app purchases available.

### Do ずんだもんと一緒に認知シャッフル睡眠法 or CorgiButts have ads?

Neither ずんだもんと一緒に認知シャッフル睡眠法 nor CorgiButts shows ads.

### Which is updated more often, ずんだもんと一緒に認知シャッフル睡眠法 or CorgiButts?

ずんだもんと一緒に認知シャッフル睡眠法 ships an update every 10 days, and CorgiButts every 5 days. Most recently, ずんだもんと一緒に認知シャッフル睡眠法 was updated on October 27, 2026 and CorgiButts on October 25, 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.*