AppMarketSpy › Games › Riverstone: Riichi Mahjong
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App info
- Developer
- MatrixAI
- Category
- Games, Education, Board, Card
- Released
- Oct 20, 2026
- Version
- 1.0 (Oct 20, 2026)
- Price
- Free
- Size
- 7.1 MB
- Requires
- iOS 17.0
- Age rating
- 4+
- Languages
- English, French, German, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Traditional Chinese, Vietnamese
In-app purchases
| Riverstone Plus Annual | $19.99 |
| Riverstone Plus Monthly | $2.99 |
Current prices, App Store US.
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About Riverstone: Riichi Mahjong
Riverstone is Riichi Mahjong, beautifully played. Enjoy Japanese mahjong at a calm, clear table on iPhone and iPad, learn every rule from zero, and sharpen your reads with a fresh discard puzzle every day. No account. No ads. No loot boxes. Play offline, anywhere. PLAY RIICHI YOUR WAY • Solo matches against three local bots: beginner is free, intermediate and advanced come with Plus • Quick East-round games or full Hanchan matches • Modern casual rules with red fives and open tanyao • Call pon, chi, kan and ron, declare riichi and chase dora • After every win, see the yaku, han and score behind your hand LEARN FROM ZERO • A guided academy takes you from the three suits to hand shapes, yaku, reading the river and scoring • Short lessons finish with a quick check question so each idea sticks • Discard drill: "What would you cut?" Test your choice, then learn why • Wait drill: find every…
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