# AI日記帳 vs DailyMark

The clearest difference is ads: DailyMark at none against AI日記帳's shown. DailyMark also leads on update cadence (weekly vs monthly) and iOS requirement (15.1 vs 17.0). On price, in-app purchases 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 and DailyMark sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

AI日記帳 ships an update monthly, DailyMark weekly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | AI日記帳 | DailyMark |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Weekly** |
| Size | 11 MB | 40 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kazuaki Takahashi](https://appshunter.io/developer/1691521543) | [five-birds.com](https://appshunter.io/developer/1895819540) |

## 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 |


### DailyMark

[App page](https://appshunter.io/ios/app/dailymark/id6769228955)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DailyMark ProMonthly | $1.99 | per month |


## Frequently asked questions

### Is AI日記帳 free?

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

### Is DailyMark free?

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

### Do AI日記帳 or DailyMark have ads?

AI日記帳 shows ads; DailyMark does not.

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

AI日記帳 ships an update monthly, and DailyMark weekly. Most recently, AI日記帳 was updated on October 27, 2026 and DailyMark on October 25, 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.*