# 麻雀アプリ わかる！！麻雀入門 vs Mahjong Skill Builder

The clearest difference is in-app purchases: 麻雀アプリ わかる！！麻雀入門 at none against Mahjong Skill Builder's 2. 麻雀アプリ わかる！！麻雀入門 also leads on ads (none vs shown) and iOS requirement (8.0 vs 15.1). Mahjong Skill Builder's advantage is review sentiment (33% vs 0%) and update cadence (every 5 days vs every 4 months). On price and device support there is nothing between them.

Both are free to download. Mahjong Skill Builder sells 2 in-app purchases, starting at $0.99 per month. 麻雀アプリ わかる！！麻雀入門 asks for nothing beyond the download.

麻雀アプリ わかる！！麻雀入門 ships an update every 4 months, Mahjong Skill Builder every 5 days. The most recent releases landed on October 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 麻雀アプリ わかる！！麻雀入門 | Mahjong Skill Builder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1334591392/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 18 MB | 44 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JANNAVIA CO., LTD.](https://appshunter.io/developer/1194312359) | [Keita Ide](https://appshunter.io/developer/1804599366) |

## What reviewers say

### 麻雀アプリ わかる！！麻雀入門

[App page](https://appshunter.io/ios/app/id1334591392)

Learn mahjong rules through interactive dialogues and quizzes. This app breaks down complex concepts into easy-to-understand lessons, helping beginners grasp the game quickly. Track your progress with a stamp system and be ready to play in no time.

**Highlights:** Interactive dialogue format, End-of-lesson quizzes, Stamp-based progress tracking, Focus on rule comprehension, Suitable for complete beginners

**Features:** Vision Pro support

**In-app purchases:** none


### 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 麻雀アプリ わかる！！麻雀入門 free?

麻雀アプリ わかる！！麻雀入門 is free to download, with no in-app purchases.

### Is Mahjong Skill Builder free?

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

### Do 麻雀アプリ わかる！！麻雀入門 or Mahjong Skill Builder have ads?

Mahjong Skill Builder shows ads; 麻雀アプリ わかる！！麻雀入門 does not.

### Which is updated more often, 麻雀アプリ わかる！！麻雀入門 or Mahjong Skill Builder?

麻雀アプリ わかる！！麻雀入門 ships an update every 4 months, and Mahjong Skill Builder every 5 days. Most recently, 麻雀アプリ わかる！！麻雀入門 was updated on October 7, 2026 and Mahjong Skill Builder on October 28, 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.*