# 理牌無用 vs Flush Mahjong Quiz

The clearest difference is price: 理牌無用 at Free against Flush Mahjong Quiz's $0.99. 理牌無用 also leads on in-app purchases (none vs 1) and iOS requirement (15.1 vs 17.0). Flush Mahjong Quiz's advantage is device support.

理牌無用 is free to download; Flush Mahjong Quiz costs $0.99 up front. Flush Mahjong Quiz sells 1 in-app purchase, starting at $0.49 per month. 理牌無用 asks for nothing beyond the download.

## The numbers

| Metric | 理牌無用 | Flush Mahjong Quiz |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Weekly |
| Size | 14 MB | 3 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Saki Inoue](https://appshunter.io/developer/1557109246) | [Yohei Tamura](https://appshunter.io/developer/1713180514) |

## What reviewers say

### 理牌無用

[App page](https://appshunter.io/ios/app/id6449622992)

**In-app purchases:** none


### Flush Mahjong Quiz

[App page](https://appshunter.io/ios/app/flush-mahjong-quiz/id6473065449)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $0.49 | per month |


## Frequently asked questions

### Is 理牌無用 free?

理牌無用 is free to download, with no in-app purchases.

### Is Flush Mahjong Quiz free?

Flush Mahjong Quiz costs $0.99, and also offers in-app purchases.

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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.*