# CorgiButts vs 逆算日記

The clearest difference is ads: CorgiButts at none against 逆算日記's shown. 逆算日記's advantage is iOS requirement (17.6 vs 26.2). On price, in-app purchases and device support there is nothing between them.

Both are free to download. CorgiButts sells 1 one-off in-app purchase and 逆算日記 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | CorgiButts | 逆算日記 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 days | — |
| Size | 11 MB | 5 MB |
| Requires iOS | 26.2 | **17.6** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yamada Fuuya](https://appshunter.io/developer/1554427655) | [hirokazu murabe](https://appshunter.io/developer/894364772) |

## What reviewers say

### 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 |


### 逆算日記

[App page](https://appshunter.io/ios/app/id6791003196)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $0.49 | one-time |


## Frequently asked questions

### Is CorgiButts free?

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

### Is 逆算日記 free?

逆算日記 is free to download, with in-app purchases available.

### Do CorgiButts or 逆算日記 have ads?

逆算日記 shows ads; CorgiButts does not.

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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.*