# nail salon Ring vs AI日記帳

The clearest difference is in-app purchases: nail salon Ring at none against AI日記帳's 4. nail salon Ring also leads on ads (none vs shown) and iOS requirement (11.0 vs 17.0). AI日記帳's advantage is update cadence (every 3 days vs every 39 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. nail salon Ring asks for nothing beyond the download.

nail salon Ring ships an update every 39 months, AI日記帳 every 3 days. The most recent releases landed on December 3, 2025 and September 8, 2026 respectively.

## The numbers

| Metric | nail salon Ring | AI日記帳 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 39 months | **Every 3 days** |
| Size | 39 MB | 11 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KAZUYO SAWAMURA](https://appshunter.io/developer/1538080199) | [Kazuaki Takahashi](https://appshunter.io/developer/1691521543) |

## What reviewers say

### nail salon Ring

[App page](https://appshunter.io/ios/app/nail-salon-ring/id1538080197)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is nail salon Ring free?

nail salon Ring is free to download, with no in-app purchases.

### Is AI日記帳 free?

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

### Do nail salon Ring or AI日記帳 have ads?

AI日記帳 shows ads; nail salon Ring does not.

### Which is updated more often, nail salon Ring or AI日記帳?

nail salon Ring ships an update every 39 months, and AI日記帳 every 3 days. Most recently, nail salon Ring was updated on December 3, 2025 and AI日記帳 on September 8, 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.*