# Smart Mahjong vs 麻雀.AI シャンテン君

The clearest difference is ads: 麻雀.AI シャンテン君 at none against Smart Mahjong's shown. 麻雀.AI シャンテン君 also leads on update cadence (every 10 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Smart Mahjong ships an update every 3 weeks, 麻雀.AI シャンテン君 every 10 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Smart Mahjong | 麻雀.AI シャンテン君 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/smart-mahjong/id1621669217/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 45 MB | 40 MB |
| Requires iOS | 18.5 | **18.2** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KAZUYA KIMURA](https://appshunter.io/developer/1455105273) | [hiroyuki obinata](https://appshunter.io/developer/1443045252) |

## What reviewers say

### Smart Mahjong

[App page](https://appshunter.io/ios/app/smart-mahjong/id1621669217)

Instantly calculate Mahjong scores by scanning tiles with your camera. View yaku, han, and fu to understand scoring mechanics. This app is continuously updated based on user feedback.

**Highlights:** Camera-based tile recognition, Instant score calculation, Displays yaku, han, and fu, Score learning tool, User feedback integration

**Features:** Vision Pro support

**In-app purchases:** none


### 麻雀.AI シャンテン君

[App page](https://appshunter.io/ios/app/ai/id6747671243)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Mahjong free?

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

### Is 麻雀.AI シャンテン君 free?

麻雀.AI シャンテン君 is free to download, with no in-app purchases.

### Do Smart Mahjong or 麻雀.AI シャンテン君 have ads?

Smart Mahjong shows ads; 麻雀.AI シャンテン君 does not.

### Which is updated more often, Smart Mahjong or 麻雀.AI シャンテン君?

Smart Mahjong ships an update every 3 weeks, and 麻雀.AI シャンテン君 every 10 days. Most recently, Smart Mahjong was updated on November 3, 2026 and 麻雀.AI シャンテン君 on October 30, 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.*