Riichi Mahjong Calculator

中文 日本語

For Web:

• https://ssttkkl.github.io/mahjong-utils-app/
• https://mahjong-utils-app.vercel.app

For Android:

• Download from F-Droid:

• Or go to Releases and download composeApp-release.apk in the latest release.

For Desktop:

• JAR (Java required): Go to Releases and download mahjong-utils-app-xxx-vvv.jar (xxx is your OS and arch, and vvv is the version name) in the latest release. Double-click to run. (For example, Windows X64 users should download mahjong-utils-app-windows-x64-xxx-release.jar)
• Install Package (non Java required): Go to Releases and download mahjong-utils-app-vvv.xxx (xxx is your OS package format, and vvv is the version name) in the latest release. Double-click to install. (For example, Windows X64 users should download mahjong-utils-app-vvv.exe)

For iOS:

• Go to Releases and download iosApp-unsigned.ipa in the latest release.
• Sign it yourself and install using Sideloadly or any other signing tools.

Features

• Hand Efficiency: Includes tile efficiency, good-shape tile efficiency (for one-shanten only), and backwards strategy.

• Meld Hand Efficiency: Tile efficiency for chow, pung, kong, and pass; includes good-shape tile efficiency (for one-shanten only) and backwards strategy.

• Winning Hand Analysis: Defaults to Mahjong Soul/Tenhou rules, with customizable rules to some extent.

• Score Calculation By Fan and Minipoints: Defaults to Mahjong Soul/Tenhou rules, with customizable rules to some extent.

Addition

The algorithm runs at local, no network access will be made.

App based on Kotlin/Multiplatform and Compose Multiplatform, PR is welcomed.

If you find any bug or incorrect translation, please report in issue.

LICENSE

MIT