Starlight Creative Works
The Grid: GO
Go, baduk, weiqi: learn to see.
Get it on the App Store$4.99, one time. iPhone.
Plays at your level
An opponent that adjusts between games, never resigns, and lets you finish the games you are winning.
Review every game
After each game, see the moves that cost the most and the full score count.
Echoes
Cards on the history of Go, with pictures from museum collections.
Yours, offline
No account, no ads, no tracking. 9×9, 13×13 and 19×19, in four languages.