Agari: Riichi Mahjong Trainer

Agari is a focused riichi (Japanese) mahjong trainer that turns the two hardest skills at the table — scoring a hand and choosing the right discard — into fast, endless practice.

LEARN RIICHI FROM ZERO
A guided course, built in. Fourteen illustrated lessons across five chapters take you from your very first tile to your first win — the goal of the game, reading a hand, sets and waits, yaku, scoring (han and fu), and tile efficiency — with worked example hands and quick checks along the way. New to riichi? Start here.

A SCORING ENGINE YOU CAN TRUST
Every hand is scored by a complete rules engine: yaku and yakuman detection, fu counting, the han/fu score ladder, and dealer and non-dealer tsumo/ron splits. It plays by one fixed, standard ruleset — red fives, open tanyao, counted yakuman and double yakuman — rather than asking you to configure anything. It always reports the highest-scoring reading of your hand.

TWO PILLARS, ONE APP
• Score training (点数計算) — read a hand, then answer the fu, han, or final score. Graded from Beginner to Yakuman.
• Efficiency (何切る) — you've just drawn a tile; pick the discard that keeps you widest. Every choice is graded by real acceptance (ukeire) counts.

ENDLESS PROBLEMS
Problems are generated and verified by the engine itself, so you never run out — and every answer is provably correct.

LEARN FROM YOUR MISTAKES
Missed problems — scoring and discards alike — come back on a spaced-repetition schedule keyed to the underlying skill, not the exact hand. A weak-spots view shows precisely which yaku need work, and how your discards are scoring.

A CALCULATOR FOR THE TABLE
Build any hand — open or closed, with pon, chii, and kan — set the winning tile, seat and round winds, riichi, dora, ura dora and honba, and get an instant score with the full breakdown — yaku, han, fu and dora. Free.

GO DEEPER WITH AGARI PRO
• Fu trainer (符計算) — work out the fu of a hand one step at a time: base fu, sets, pair, wait, and the round-up.
• Daily 何切る — five fresh problems every day, with a streak and an optional reminder.
• Open hands and calls — scoring drills with pon, chii and kan.
• Situational yaku in the calculator — ippatsu, double riichi, rinshan, chankan, haitei, houtei, tenhou and chiihou.

A YAKU REFERENCE
Thirty-six yaku, each with a Japanese name, a han value and a worked example hand — searchable, and every example verified by the same engine that scores your hands.

• Authentic tile art
• Japanese and English
• Works fully offline
• No account, no ads, no data collection

Agari Pro unlocks the Intermediate, Advanced and Yakuman scoring tiers, open-hand drills, the 1-shanten efficiency drill, the daily 何切る, the fu trainer and situational yaku in the calculator. Every Pro drill lets you try one problem free first. It is available as a monthly auto-renewing subscription (with a 3-day free trial for new subscribers) or a one-time Lifetime purchase. Pricing is shown in the app and on the App Store product page. Payment is charged to your Apple Account at purchase; a subscription renews automatically unless canceled at least 24 hours before the end of the period, and can be managed in your Apple Account settings.
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