Position and candidate moves
See the position index, recommended move, and ranked legal moves. The index is an AI evaluation, not a statistically calibrated win probability.
Reversi learning on iPhone
REVERSISTUDY
Get stronger with every move. Play against the CPU or take turns with a friend on one iPhone, then learn from position evaluations, recommended moves, and game reviews.
Learn every move
Turn each game into a lesson.
Choose from four CPU levels or play a local two-player game on the same iPhone. AI Coach helps you understand your choices while you play and after the game.
Post-game analysis
Follow how the evaluation changed, review moves from Best to Blunder, and revisit mistakes as practice questions.
Learning on your device
Game play, CPU search, analysis, and saved records run on your iPhone. No external AI API or cloud game analysis is used.
Support & privacy
Everything you need to know
Find answers about ads, restoring purchases, and how game records are stored on your device.