# 雀の羽算用 vs Riichi Log

The clearest difference is iOS requirement: 雀の羽算用 at 13.0 against Riichi Log's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 雀の羽算用 sells 4 in-app purchases, starting at $1.99 per month and Riichi Log sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

雀の羽算用 ships an update every 3 weeks, Riichi Log every 2 weeks. Both last shipped on October 28, 2026.

## The numbers

| Metric | 雀の羽算用 | Riichi Log |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 57 MB | 34 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yosuke Ouchi](https://appshunter.io/developer/1877354991) | [Lok Wai](https://appshunter.io/developer/1895320924) |

## What reviewers say

### 雀の羽算用

[App page](https://appshunter.io/ios/app/id6759349965)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads Plan | $1.99 | per month |
| 開発チームサポート版（月額） | $2.99 | per month |
| Ultimate Plan | $3.99 | per month |
| Lite Plan | $1.99 | one-time |


### Riichi Log

[App page](https://appshunter.io/ios/app/riichi-log-score-tracker/id6779672292)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Riichi Log Pro | $1.99 | one-time |


## Frequently asked questions

### Is 雀の羽算用 free?

雀の羽算用 is free to download, with in-app purchases available.

### Is Riichi Log free?

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

### Do 雀の羽算用 or Riichi Log have ads?

Neither 雀の羽算用 nor Riichi Log shows ads.

### Which is updated more often, 雀の羽算用 or Riichi Log?

雀の羽算用 ships an update every 3 weeks, and Riichi Log every 2 weeks. Most recently, 雀の羽算用 was updated on October 28, 2026 and Riichi Log on October 28, 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.*