Riichi Mah-jong Helper
Kyohei Hakka Games iPhoneiPadiPod touch
Riichi Mah-jong Helper is a free Games app for iPhone and iPad by Kyohei Hakka. Rated 5.0/5 from 1 ratings. Requires iOS 17.6. Updated September 14, 2026.
- Rating
- 5.0
- 1 ratings
- Price
- Free
- on the App Store
- Size
- 619 MB
- Age 4+
- Updated
- Sep 14
- 2026 · v4.27.2
Screenshots
About Riichi Mah-jong Helper
◉ Calculate mahjong hand scores instantly! ◉ Practice score calculation with quiz-style questions! ◉ Calculate effective tiles for any hand! ◉ Practice tile efficiency with auto-generated quizzes! Mahjong Score Calc II is a powerful calculator with 4 core features: 1. Score calculation from your hand (waiting tiles, points, yaku, mentsu, fu breakdown) 2. Score practice quizzes (han/fu input and point input modes) 3. Effective tile calculation for any 13-tile hand (draw, call) 4. Tile efficiency quizzes (best discard, best draw, best call, effective tiles) This app is a complete upgrade to the score calculator tools that have long existed for riichi mahjong. Whether you can't figure out your waiting tiles, or want to know exactly how many points each draw is worth — calculate it all at once. Easily look up effective tiles during a game, while reviewing a hand record, or during a post-game discussion with friends. You can also check which meld would have been the best move. Infinite auto-generated "best discard" quizzes let you study mahjong anywhere — even on your commute. □ Premium Features ・All ads removed ・All features unlocked □ Plans ・Lifetime plan: One-time purchase for permanent access to all features ・Monthly plan: Monthly subscription for full access (auto-renews every month) ※ See the in-app store screen for pricing details. □ Restoring a Purchase When switching devices, you can restore your previous purchase for free. (Settings => Restore Purchase) Make sure you are signed in with the same Apple ID used at the time of purchase. □ Managing Your Subscription (Monthly plan only) Go to the Settings app => Your Apple ID at the top => Subscriptions => Select "Mahjong Score Calc II". From this screen you can check your next renewal date and cancel or re-enable auto-renewal. □ Auto-Renewal (Monthly plan only) If you do not cancel auto-renewal at least 24 hours before the end of the current period, your subscription will automatically renew. The renewal charge is processed within 24 hours after the end of the current period. □ Notes ・Purchases made within the app cannot be cancelled through any other method. ・Refunds for the current month are not available. ・Charges are processed through your Apple ID account. □ Terms of Use https://mahjongscore-90f16.web.app/en/terms.html □ Privacy Policy https://mahjongscore-90f16.web.app/en/privacy.html
What’s new
Version 4.27.2 · Updated September 14, 2026
Fixed an issue where a chi meld could add a fifth copy of a tile after all four copies had already been used.
App privacy
The developer, Kyohei Hakka, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
- Diagnostics: Crash Data, Performance Data
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
- Diagnostics: Crash Data, Performance Data
Used for: Third-Party Advertising
Alternatives to Riichi Mah-jong Helper
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Riichi Mah-jong Helper | 5.0 / 5 (1 rating) | Free | September 14, 2026 | |
| Riichi Mahjong Scoring Drill | – | Free | Oct 5, 2026 | Compare |
| 麻雀 一択何切る | – | Free | Nov 7, 2025 | Compare |
| Flull Flash 1000 | 4.5 / 5 (2) | Free | Sep 24, 2026 | Compare |
| 麻雀点数計算入門 Ver.3 | – | Free | Jul 19, 2026 | Compare |
| 麻雀ウザク式何切る? | 5.0 / 5 (2) | Free | Sep 23, 2026 | Compare |
| Mahjong Solo Issou | 5.0 / 5 (1) | Free | Oct 3, 2026 | Compare |