# MJ Scorebook vs MahjongDiary

The clearest difference is iOS requirement: MJ Scorebook at 12.0 against MahjongDiary's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. MJ Scorebook sells 1 in-app purchase, starting at $1.99 per month and MahjongDiary sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

MJ Scorebook ships an update weekly, MahjongDiary every 4 days. The most recent releases landed on September 21, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | MJ Scorebook | MahjongDiary |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 142 MB | 25 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shinsuke Hosooka](https://appshunter.io/developer/1560028205) | [Daichi Itokazu](https://appshunter.io/developer/1781440822) |

## What reviewers say

### MJ Scorebook

[App page](https://appshunter.io/ios/app/mj-scorebook/id1574959210)

Record your mahjong game results, including income and expenses. Analyze your performance with filtering by date, players, and tags. Supports both set and free mahjong, with detailed stats and sharing options.

**Highlights:** Record set and free mahjong games, Track income, expenses, and scores, Filter and analyze data by date, player, and tags, View graphs of score fluctuations, Record Yakuman, Tobu, Tobashi, and Yakitori, Share game results via SNS, Summarize monthly/yearly results

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | per month |


### MahjongDiary

[App page](https://appshunter.io/ios/app/mahjongdiary/id6741926344)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ADs | $0.99 | per month |


## Frequently asked questions

### Is MJ Scorebook free?

MJ Scorebook is free to download, with in-app purchases available.

### Is MahjongDiary free?

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

### Do MJ Scorebook or MahjongDiary have ads?

Both MJ Scorebook and MahjongDiary show ads.

### Which is updated more often, MJ Scorebook or MahjongDiary?

MJ Scorebook ships an update weekly, and MahjongDiary every 4 days. Most recently, MJ Scorebook was updated on September 21, 2026 and MahjongDiary on September 8, 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.*