# KanjiSousyoQuiz2 byNSDev vs 麻雀 何切るマスター

The clearest difference is in-app purchases: KanjiSousyoQuiz2 byNSDev at none against 麻雀 何切るマスター's 1. KanjiSousyoQuiz2 byNSDev also leads on ads (none vs shown) and iOS requirement (9.0 vs 13.0). 麻雀 何切るマスター's advantage is update cadence (every 3 weeks vs every 6 months). On price and device support there is nothing between them.

Both are free to download. 麻雀 何切るマスター sells 1 one-off in-app purchase. KanjiSousyoQuiz2 byNSDev asks for nothing beyond the download.

KanjiSousyoQuiz2 byNSDev ships an update every 6 months, 麻雀 何切るマスター every 3 weeks. The most recent releases landed on October 5, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | KanjiSousyoQuiz2 byNSDev | 麻雀 何切るマスター |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 69 MB | 108 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NIHON SYSTEM DEVELOPER CORPORATION](https://appshunter.io/developer/1198103734) | [Ryen Studio](https://appshunter.io/developer/1806260849) |

## What reviewers say

### KanjiSousyoQuiz2 byNSDev

[App page](https://appshunter.io/ios/app/kanjisousyoquiz2-bynsdev/id1226302217)

**Features:** macOS Compatibility

**In-app purchases:** none


### 麻雀 何切るマスター

[App page](https://appshunter.io/ios/app/id6744729484)

This app helps players improve their mahjong skills by focusing on "what to discard" decisions. It offers quick, bite-sized problems that can be solved in seconds, making it ideal for practicing during short breaks. Suitable for all skill levels, it aims to build confidence and improve gameplay.

**Highlights:** Practice "what to discard" problems, Vertical orientation for easy play, Offline mode available, Quick 10-30 second problems, Suitable for all skill levels, Builds mahjong decision-making skills

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $1.99 | one-time |


## Frequently asked questions

### Is KanjiSousyoQuiz2 byNSDev free?

KanjiSousyoQuiz2 byNSDev is free to download, with no in-app purchases.

### Is 麻雀 何切るマスター free?

麻雀 何切るマスター is free to download, with in-app purchases available.

### Do KanjiSousyoQuiz2 byNSDev or 麻雀 何切るマスター have ads?

麻雀 何切るマスター shows ads; KanjiSousyoQuiz2 byNSDev does not.

### Which is updated more often, KanjiSousyoQuiz2 byNSDev or 麻雀 何切るマスター?

KanjiSousyoQuiz2 byNSDev ships an update every 6 months, and 麻雀 何切るマスター every 3 weeks. Most recently, KanjiSousyoQuiz2 byNSDev was updated on October 5, 2026 and 麻雀 何切るマスター on October 17, 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.*