Riichi Scoring & Ledger
Score every hand. Keep every stick.
Tenbo is a fast, accurate companion for in-person Japanese Riichi mahjong. Build the winning hand visually, let Tenbo work out the yaku, han, fu and payments, and keep the whole table's point ledger straight — all offline.
(ledger / table mode)
Built for the table
Everything you need to score and track a game of Riichi in person.
Visual hand builder
Tap the tiles and Tenbo auto-scores the yaku, han and fu. No more arguing over a tricky hand.
Tenbo ledger
Track every player's points, with riichi sticks, honba and dealer rotation handled automatically.
Table mode
Turn the phone sideways and lay it flat between players for a shared, glanceable scoreboard.
Deep house rules
Kuitan, aka dora, kiriage, tobi, agari-yame and more — Tenbo matches the rules your table plays.
History & stats
Review past games and track placement, win rate, deal-in rate and more over time.
Shareable match card
Send a clean summary of the final standings to the group when the game wraps.
Fully offline
No account, no sign-up, no connection needed. Your games stay on your device.
English & 日本語
Play in English or Japanese, with proper Riichi terminology throughout.
See it in play
A quick look at scoring a hand, the live ledger, and final standings.
Play ad-free. Keep every game.
No subscription — and only one player per table needs it.
- ✓ Remove all ads
- ✓ Full, unlimited match history
- ✓ Lifetime stats & records
Hand scoring, the tenbo ledger and all house rules are always free.