MJ Scorebook vs MahjongDiary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MJ Scorebook
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.
- 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
Read full descriptionHide full description
「MJ Scorebook」はセット麻雀およびフリー麻雀の成績記録アプリです。 収支のまとめはもちろん、フィルタリング機能で記録の振り返り、成績の分析をお手伝いします。 このアプリの特徴は『年月』・『人物』・『タグ』によるフィルタリングおよび成績の集計ができることです。 データがフィルタリングできると、例えばこんなことがわかります。 ※ 特定の年月の調子 ※ 気になる相手同士の対戦成績 ※ 大会の成績 etc... 【セット麻雀用の機能について】 ・四人麻雀(4〜6人)、三人麻雀(3〜5人)のセットのデータ入力、保存が出来ます。グラフも表示されるので、スコアの変動が確認しやすくなっています。 ・役満、トビ、トバシ、焼き鳥についても各半荘ごとに記録が出来ます。 ・清算については、場代を等分で計算したものが表示出来ます。 ・入力されたセットの情報は、LINEなどのSNSで写真で共有出来ます。 ・入力したデータから、月間・年間のまとめ(範囲指定も可)、特定の相手との戦績等が確認出来ます。 ・保存したセットのデータは出力して友人に送ることで、アプリに取り込みが可能です。 【フリー麻雀用の機能について(Ver2.0.0から対応)】 ・4人麻雀、3人麻雀のデータの入力、保存が可能です。 ・半荘毎のデータとして、「着順」「点棒」「チップ」「上がり回数」「放銃回数」「リーチ回数」が記録可能です。(各半荘の入力されたデータに応じて、予測される支出が表示されます。) ・1日のまとめとして、支出が記録可能です。 ・入力したデータから月間・年間のまとめ(範囲指定も可)、お店ごとの戦績が確認可能です。 ・フリーで記録したメモを元にデータを検索することも可能です。 --- ・プライバシーポリシー https://mjscorebook.firebaseapp.com/privacy.html ・利用規約 https://mjscorebook.firebaseapp.com/termsOfUse.html -- ご意見・ご要望をいただけるとありがたいです。
MahjongDiary
Read full descriptionHide full description
Smarter scorekeeping and session logging for mahjong. Enter raw points and we’ll calculate scores, ranks, and your balance automatically. Record tips and table fees with each game so you always know your true profit and loss. Build a clear history of your play—and with friends, review published results when they’re shared with you. Key features • Auto-calculate scores & ranks from raw points Just enter the points—final scores, ranks, and balances are computed instantly. No more manual math. • Full balance tracking Include tips and table fees so your totals reflect real wins and losses. • Visualize your results See monthly and yearly balance charts and average ranks. Break down four-player and three-player games separately. • Friends’ published stats Friends can publish monthly, yearly, and all-time stats for you to view. Visibility is under their control—public to friends or hidden. • Easy friend adds with QR codes Show your QR code or scan theirs to send a friend request. Account ID search is supported too. • Friend sharing for games Add friends and share game data. Manage your own sessions and join games shared with you. • Simple guest player registration Register table mates as guests and organize them with tags. • Saved default rules Keep often-used uma, oka, tip rates, and more so setup stays quick. • Account sign-in Sign in with Apple or email so your data stays safe and synced across devices. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | MJ Scorebook | MahjongDiary |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 62.5% of reviews | — |
| Update frequency | Weekly | Every 4 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 142 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Shinsuke Hosooka | Daichi Itokazu |
In-app purchases
MJ Scorebook
- Premium1 Month trial$1.991 Month
MahjongDiary
- Remove ADs$0.991 Month








