# 睡眠ドッグ vs AI仏

The clearest difference is in-app purchases: 睡眠ドッグ at none against AI仏's 3. 睡眠ドッグ also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. AI仏 sells 3 in-app purchases, starting at $2.99 per month. 睡眠ドッグ asks for nothing beyond the download.

睡眠ドッグ ships an update every 2 weeks, AI仏 fortnightly. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 睡眠ドッグ | AI仏 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 9 MB | 7 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 9+ | 12+ |
| Developer | [Hayato Kitaoka](https://appshunter.io/developer/1634161426) | [Z DEVELOPER LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1565730853) |

## What reviewers say

### 睡眠ドッグ

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

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

**In-app purchases:** none


### AI仏

[App page](https://appshunter.io/ios/app/ai/id6743794231)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI仏プレミアム（月額） | $2.99 | per month |
| 運営を応援する | $2.99 | one-time |
| 広告削除 | $3.99 | one-time |


## Frequently asked questions

### Is 睡眠ドッグ free?

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

### Is AI仏 free?

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

### Do 睡眠ドッグ or AI仏 have ads?

AI仏 shows ads; 睡眠ドッグ does not.

### Which is updated more often, 睡眠ドッグ or AI仏?

睡眠ドッグ ships an update every 2 weeks, and AI仏 fortnightly. Most recently, 睡眠ドッグ was updated on October 4, 2026 and AI仏 on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*