# 門清ドリルi vs Flush Mahjong Quiz

The clearest difference is price: 門清ドリルi at Free against Flush Mahjong Quiz's $0.99. 門清ドリルi also leads on in-app purchases (none vs 1) and iOS requirement (13.2 vs 17.0). Flush Mahjong Quiz's advantage is update cadence (weekly vs every 92 months). On device support there is nothing between them.

門清ドリルi 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. 門清ドリルi asks for nothing beyond the download.

門清ドリルi ships an update every 92 months, Flush Mahjong Quiz weekly. The most recent releases landed on October 11, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 門清ドリルi | Flush Mahjong Quiz |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | Every 92 months | **Weekly** |
| Size | 11 MB | 3 MB |
| Requires iOS | **13.2** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [fleron](https://appshunter.io/developer/549502195) | [Yohei Tamura](https://appshunter.io/developer/1713180514) |

## What reviewers say

### 門清ドリルi

[App page](https://appshunter.io/ios/app/i/id549502192)

**Features:** macOS Compatibility

**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 門清ドリルi free?

門清ドリルi 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.

### Which is updated more often, 門清ドリルi or Flush Mahjong Quiz?

門清ドリルi ships an update every 92 months, and Flush Mahjong Quiz weekly. Most recently, 門清ドリルi was updated on October 11, 2026 and Flush Mahjong Quiz on October 21, 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.*