Experience the top-selling Mahjong app with over 150,000 downloads on iPhone! Say goodbye to the hassle of managing chips during games! Monitor the flow of points during matches and enjoy detailed performance analysis and record keeping!

The Mahjong Calculator eliminates the need for tedious chip management in hand-built Mahjong games.

By entering scores for reaches, melds, and wins, and managing the points on the table, the app records all score calculations to meticulously document your match performance.

・Easy to use!!

Simply tap the score of the winning player and follow the prompts. The app calculates scores considering factors like riichibou!

Mahjong Calculator Feature List

• Situation Overview
  Displays all players' scores, the prevailing wind, the number of riichibou, and the number of honba on one screen for easy viewing.

Performance Tracking

Records cumulative performance for each member. You can check performance by day, by match, or by individual.
Supported Rules


4-player/3-player games (with or without dead wall damage)

East-only/East-South games/West and North rounds

Box under ending with or without

Box under reach

Box under bonus

Honba score: 300 - 1500 (200 - 1000 for 3-player games)

Initial points: 20,000 - 40,000

Return points: 20,000 - 40,000

Double Ron, Triple Ron

Chombo: Manganku or 1,000 points payment

Yakitori: 10,000 - 30,000 points payment

Chips: Available or not

What's New in Version 5.3.18

Last updated on Nov 10, 2023