# Mahjong Skill Builder vs Mahjong Fold Dojo

The clearest difference is review sentiment: Mahjong Fold Dojo at 100% against Mahjong Skill Builder's 33%. Mahjong Fold Dojo also leads on ads (none vs shown). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Mahjong Skill Builder sells 2 in-app purchases, starting at $0.99 per month and Mahjong Fold Dojo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Mahjong Skill Builder ships an update every 5 days, Mahjong Fold Dojo every 9 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Mahjong Skill Builder | Mahjong Fold Dojo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mahjong-fold-dojo/id6763664588/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 9 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 44 MB | 67 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Keita Ide](https://appshunter.io/developer/1804599366) | [Hiroshi Oda](https://appshunter.io/developer/1855470103) |

## What reviewers say

### 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 |


### Mahjong Fold Dojo

[App page](https://appshunter.io/ios/app/mahjong-fold-dojo/id6763664588)

This app provides focused training for Riichi Mahjong players, specifically on making safe tile discards after an opponent declares riichi. It offers various practice modes to reinforce defensive concepts and improve decision-making skills through quiz-style exercises.

**Highlights:** Practice core defensive concepts, Quiz-style exercises, Match-like practice mode, Focus on specific defensive themes, Retry missed questions, Analyze candidate tile risk

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Paid plan | $3.99 | one-time |


## Frequently asked questions

### Is Mahjong Skill Builder free?

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

### Is Mahjong Fold Dojo free?

Mahjong Fold Dojo is free to download, with in-app purchases available.

### Do Mahjong Skill Builder or Mahjong Fold Dojo have ads?

Mahjong Skill Builder shows ads; Mahjong Fold Dojo does not.

### Which is updated more often, Mahjong Skill Builder or Mahjong Fold Dojo?

Mahjong Skill Builder ships an update every 5 days, and Mahjong Fold Dojo every 9 days. Most recently, Mahjong Skill Builder was updated on October 24, 2026 and Mahjong Fold Dojo on October 24, 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.*