# Mahjong Win! vs Birder Diary

The clearest difference is price: Birder Diary at Free against Mahjong Win!'s $4.99. Mahjong Win!'s advantage is in-app purchases (none vs 2) and update cadence (every 3 days vs every 11 days). On ads, device support and iOS requirement there is nothing between them.

Birder Diary is free to download; Mahjong Win! costs $4.99 up front. Birder Diary sells 2 in-app purchases, starting at $2.99 per month. Mahjong Win! asks for nothing beyond the download.

Mahjong Win! ships an update every 3 days, Birder Diary every 11 days. The most recent releases landed on September 11, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Mahjong Win! | Birder Diary |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/mahjong-win/id6466442961/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 11 days |
| Monetization | Paid | — |
| Size | 58 MB | 17 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 4+ |
| Developer | [Potatso Lab LTD](https://appshunter.io/developer/1267906737) | [周 王](https://appshunter.io/developer/1890135527) |

## What reviewers say

### Mahjong Win!

[App page](https://appshunter.io/ios/app/mahjong-win/id6466442961)

This app uses AI to recognize Mahjong tiles from photos, automatically calculating han, fu, and scores. It simplifies complex Japanese Mahjong rules for players of all levels, allowing for more enjoyable face-to-face games with friends.

**Highlights:** AI tile recognition, Automatic yaku identification, Han and fu calculation, Accurate score calculation, User-friendly interface, Fast local processing

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

**In-app purchases:** none


### Birder Diary

[App page](https://appshunter.io/ios/app/birder-diary/id6761525447)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Monthly | $2.99 | per month |
| PRO Annual | $19.99 | per year |


## Frequently asked questions

### Is Mahjong Win! free?

Mahjong Win! costs $4.99, with no in-app purchases.

### Is Birder Diary free?

Birder Diary is free to download, with in-app purchases available.

### Do Mahjong Win! or Birder Diary have ads?

Neither Mahjong Win! nor Birder Diary shows ads.

### Which is updated more often, Mahjong Win! or Birder Diary?

Mahjong Win! ships an update every 3 days, and Birder Diary every 11 days. Most recently, Mahjong Win! was updated on September 11, 2026 and Birder Diary on September 18, 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.*