
Riverstone: Riichi Mahjong
Japanese Tile Game & Trainer
0 ratings
Free
In-App Purchases
Rating summary
About
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 winning tile for a ready hand
DAILY RIVER
• A new discard puzzle every day
• Build a streak and share your result with friends
• A Home Screen widget keeps your daily progress one glance away
STAY MOTIVATED
• Earn XP and level up as you play, learn and practice
• Complete daily quests and unlock achievements
PLAY NEARBY
• Play with friends nearby over your local network
• Join with a simple room code: no account and no internet needed
• Nearby guests play free
BUILT FOR EVERYONE
• VoiceOver reads every tile by name
• Supports Dynamic Type and dark mode
• Designed for both iPhone and iPad
RIVERSTONE PLUS
Riverstone is free to download. Beginner bots, the core academy, the discard and wait drills, Daily River, nearby play and all your progress are free.
Riverstone Plus is an optional subscription that unlocks:
• Intermediate and advanced bots
• The advanced academy chapters
• The Defense Lab drill in the Dojo
• Premium table themes
Choose monthly or yearly, with a 7-day free trial on the yearly plan. Payment is charged to your Apple Account. Your subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel it anytime in your Apple Account settings.
Whether you are learning your first yaku or polishing your tile efficiency, Riverstone is a quiet place to get better at Riichi Mahjong, one hand at a time.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://www.matrixai.work/riverstone/privacy
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What's New in Riverstone
1.0
October 20, 2026
2
Subscriptions & In-App Purchases
Riverstone Plus Monthly
Full access, billed monthly.
$2.991 Month






