# AI日記帳 vs ヨスミ

The clearest difference is in-app purchases: ヨスミ at none against AI日記帳's 4. ヨスミ also leads on ads (none vs shown) and iOS requirement (15.1 vs 17.0). AI日記帳's advantage is update cadence (monthly vs every 3 months). On price and device support there is nothing between them.

Both are free to download. AI日記帳 sells 4 in-app purchases, starting at $0.49 per month. ヨスミ asks for nothing beyond the download.

AI日記帳 ships an update monthly, ヨスミ every 3 months. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | AI日記帳 | ヨスミ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 3 months |
| Size | 11 MB | 2.6 GB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Kazuaki Takahashi](https://appshunter.io/developer/1691521543) | [nakamura takanari](https://appshunter.io/developer/721093975) |

## What reviewers say

### AI日記帳

[App page](https://appshunter.io/ios/app/ai-ai20/id6475445580)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Diary PRO Edition | $0.49 | per month |
| 生成ポイント（10ポイント） | $0.99 | one-time |
| 生成ポイント（30ポイント） | $2.99 | one-time |
| 生成ポイント（70ポイント） | $4.99 | one-time |


### ヨスミ

[App page](https://appshunter.io/ios/app/id6766568209)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI日記帳 free?

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

### Is ヨスミ free?

ヨスミ is free to download, with no in-app purchases.

### Do AI日記帳 or ヨスミ have ads?

AI日記帳 shows ads; ヨスミ does not.

### Which is updated more often, AI日記帳 or ヨスミ?

AI日記帳 ships an update monthly, and ヨスミ every 3 months. Most recently, AI日記帳 was updated on November 8, 2026 and ヨスミ on November 9, 2026.

---

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