# 麻雀 何切るマスター vs Mahjong Skill Builder

The clearest difference is review sentiment: 麻雀 何切るマスター at 100% against Mahjong Skill Builder's 33%. 麻雀 何切るマスター also leads on iOS requirement (13.0 vs 15.1). Mahjong Skill Builder's advantage is ads (none vs shown) and update cadence (every 4 days vs every 3 weeks). On price, in-app purchases, monetization model 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 and Mahjong Skill Builder sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

麻雀 何切るマスター ships an update every 3 weeks, Mahjong Skill Builder every 4 days. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 麻雀 何切るマスター | Mahjong Skill Builder |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 108 MB | 42 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ryen Studio](https://appshunter.io/developer/1806260849) | [Keita Ide](https://appshunter.io/developer/1804599366) |

## What reviewers say

### 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 |


### Mahjong Skill Builder

[App page](https://appshunter.io/ios/app/mahjong-skill-builder/id6759558674)

Master Mahjong scoring with structured practice. Learn to identify yaku, calculate han and fu, and determine final scores through five progressive training modes. Track your progress and improve your game with realistic hands and quick, randomized sessions.

**Highlights:** Master Mahjong scoring, Learn yaku and han values, Calculate fu and final points, Five progressive training modes, Realistic hand scenarios, Progress tracking and feedback, Quick, randomized sessions

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Skill Builder Premium Monthly | $0.99 | per month |
| Skill Builder Premium Yearly | $9.99 | per year |


## Frequently asked questions

### 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.

### Is Mahjong Skill Builder free?

Mahjong Skill Builder is free to download, with in-app purchases available.

### Do 麻雀 何切るマスター or Mahjong Skill Builder have ads?

麻雀 何切るマスター shows ads; Mahjong Skill Builder does not.

### Which is updated more often, 麻雀 何切るマスター or Mahjong Skill Builder?

麻雀 何切るマスター ships an update every 3 weeks, and Mahjong Skill Builder every 4 days. Most recently, 麻雀 何切るマスター was updated on October 17, 2026 and Mahjong Skill Builder on October 15, 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.*