AstraGo

Go, whenever you like.

Offline play. Graded practice. Move-by-move review.

Explore featuresGet support
Kaya board, stones, bowls and surroundings in the app
Actual app scene

From your first move,
to the whole game.

A Go position in the app, with black and white stones on a Kaya board

Play

Practice on your own,
or play together.

Play against on-device KataGo or share one device. Choose a 9×9, 13×13 or 19×19 board and Chinese, Japanese or Korean rules.

A ladder lesson in the app; triangle markers identify the white stones to chase

Lessons & life and death

Learn a concept,
then try it on the board.

Lessons from the basics to the endgame, with graded practice from 18 kyu to 9 dan. Use hints, answers and trial variations.

The app review chart, showing green win-rate and yellow score curves by move

Full review In-app purchase

Look back,
find the turning point.

Win-rate and score graphs, key mistakes and AI variations. One-time unlock, with no automatic renewal.

Purchases & restoration

Board themes

A different board.

Actual Walnut theme scene in the app
Walnut

Walnut, Bamboo, Ebony and Vermilion are sold separately. Preview them in the app before buying.

iPhone · iPad iOS / iPadOS 17 or later

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