# 麻將辨識計分 MJCounter vs AI_Diaper

The clearest difference is in-app purchases: AI_Diaper at none against 麻將辨識計分 MJCounter's 2. 麻將辨識計分 MJCounter's advantage is iOS requirement (13.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 麻將辨識計分 MJCounter sells 2 in-app purchases, starting at $1.99 per 3 months. AI_Diaper asks for nothing beyond the download.

麻將辨識計分 MJCounter ships an update every 2 months, AI_Diaper every 3 months. The most recent releases landed on November 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 麻將辨識計分 MJCounter | AI_Diaper |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Freemium | — |
| Size | 52 MB | 22 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jih Hsin Huang](https://appshunter.io/developer/1614248718) | [Chun Yi Lin](https://appshunter.io/developer/1723552815) |

## What reviewers say

### 麻將辨識計分 MJCounter

[App page](https://appshunter.io/ios/app/mjcounter/id1614248716)

This app automates Mahjong scoring, eliminating manual calculations and providing detailed game analytics. It offers features for tracking player performance, understanding trends, and even suggesting optimal moves. Supports both single-player recording and real-time multi-player synchronization.

**Highlights:** Automatic score calculation, Player performance tracking, Game trend analysis, Discard Helper for suggestions, Real-time multi-player sync, Export game records, Customizable scoring rules

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - 3 months subscription | $1.99 | per 3 months |
| Pro - Lifetime | $21.99 | one-time |


### AI_Diaper

[App page](https://appshunter.io/ios/app/ai-diaper/id6475179535)

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

**In-app purchases:** none


## Frequently asked questions

### Is 麻將辨識計分 MJCounter free?

麻將辨識計分 MJCounter is free to download, with in-app purchases available.

### Is AI_Diaper free?

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

### Do 麻將辨識計分 MJCounter or AI_Diaper have ads?

Neither 麻將辨識計分 MJCounter nor AI_Diaper shows ads.

### Which is updated more often, 麻將辨識計分 MJCounter or AI_Diaper?

麻將辨識計分 MJCounter ships an update every 2 months, and AI_Diaper every 3 months. Most recently, 麻將辨識計分 MJCounter was updated on November 7, 2026 and AI_Diaper on October 25, 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.*