# AI仏 vs One

The clearest difference is in-app purchases: One at none against AI仏's 3. One also leads on ads (none vs shown) and update cadence (every 3 days vs fortnightly). On price there is nothing between them.

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

AI仏 ships an update fortnightly, One every 3 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | AI仏 | One |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 7 MB | 20 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Z DEVELOPER LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1565730853) | [Yuga Matsumi](https://appshunter.io/developer/1866567850) |

## What reviewers say

### 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 |


### One

[App page](https://appshunter.io/ios/app/one-line-diary-mood-log/id6757390722)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AI仏 free?

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

### Is One free?

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

### Do AI仏 or One have ads?

AI仏 shows ads; One does not.

### Which is updated more often, AI仏 or One?

AI仏 ships an update fortnightly, and One every 3 days. Most recently, AI仏 was updated on October 25, 2026 and One on October 31, 2026.

---

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