Settings
Play
Flag wrong entries immediately
Marks a number as an error immediately when it differs from the solution. Off shows only duplicates in a row, column or box.
Boards solved with this on are excluded from best times.
General
Language
Switching language moves you to that language’s address. Your choice is remembered and is not overridden by the device language.
Storage
Records and progress are stored on this device. Only if you have joined the ranking are completion records sent to a server. Once the app has loaded, play, hints, technique pages and reading your records work without a network. Only the ranking needs a connection.
Sudoku v1 · 11 solving techniques