# AI絵日記 vs CorgiButts

The clearest difference is update cadence: CorgiButts at every 5 days against AI絵日記's every 3 weeks. AI絵日記's advantage is iOS requirement (18.2 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI絵日記 sells 3 in-app purchases, starting at $0.49 per month and CorgiButts sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AI絵日記 ships an update every 3 weeks, CorgiButts every 5 days. Both last shipped on September 17, 2026.

## The numbers

| Metric | AI絵日記 | CorgiButts |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 20 MB | 11 MB |
| Requires iOS | **18.2** | 26.2 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Koudai Kudou](https://appshunter.io/developer/1744671690) | [Yamada Fuuya](https://appshunter.io/developer/1554427655) |

## What reviewers say

### AI絵日記

[App page](https://appshunter.io/ios/app/ai/id6748383978)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| フルバージョンへのアップデート | $0.49 | per month |
| Pro版へのアップグレード | $0.99 | one-time |
| Pro版へのアップグレード | $2.99 | one-time |


### 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 AI絵日記 free?

AI絵日記 is free to download, with in-app purchases available.

### Is CorgiButts free?

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

### Do AI絵日記 or CorgiButts have ads?

Neither AI絵日記 nor CorgiButts shows ads.

### Which is updated more often, AI絵日記 or CorgiButts?

AI絵日記 ships an update every 3 weeks, and CorgiButts every 5 days. Most recently, AI絵日記 was updated on September 17, 2026 and CorgiButts on September 17, 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.*