# 回転漢字クイズ vs Summatch

The clearest difference is in-app purchases: 回転漢字クイズ at none against Summatch's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Summatch sells 2 one-off in-app purchases. 回転漢字クイズ asks for nothing beyond the download.

回転漢字クイズ ships an update weekly, Summatch every 5 days. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | 回転漢字クイズ | Summatch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 5 days** |
| Size | 26 MB | 99 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YUKI WATANABE](https://appshunter.io/developer/1724288537) | [Ohte, Inc.](https://appshunter.io/developer/905170041) |

## What reviewers say

### 回転漢字クイズ

[App page](https://appshunter.io/ios/app/1/id6740872345)

**Features:** macOS Compatibility

**In-app purchases:** none


### Summatch

[App page](https://appshunter.io/ios/app/summatch/id6751231850)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |
| Remove Ads Pack | $11.99 | one-time |


## Frequently asked questions

### Is 回転漢字クイズ free?

回転漢字クイズ is free to download, with no in-app purchases.

### Is Summatch free?

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

### Do 回転漢字クイズ or Summatch have ads?

Both 回転漢字クイズ and Summatch show ads.

### Which is updated more often, 回転漢字クイズ or Summatch?

回転漢字クイズ ships an update weekly, and Summatch every 5 days. Most recently, 回転漢字クイズ was updated on October 6, 2026 and Summatch on October 13, 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.*