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Sudoku Cozy

Sudoku, made cozy.

A warm little sudoku you can sink into for five minutes or an hour. No accounts, no timers nagging you, no wall of ads. Just a soft patchwork board and numbers that fall into place.

Coming soon to the App Store.

A daily sudoku everyone plays

One puzzle a day, and it is the same grid for every player in the world. Same three mistakes, same three hints, no advantages for sale — buying Cozy Plus deliberately grants nothing in the daily. The finish time posts to a Game Center board ranked fastest-first. One attempt. Come back tomorrow.

Hints that teach, not tell

Most sudoku apps “hint” by filling in a square for you, which ends the thinking. These don't. A hint points at a mistake worth clearing, a square with only one option left, or a row that needs a particular digit — and then leaves the move to you. It also reads your pencil marks: if you have already worked a square out, the hint moves on to one you haven't.

Four sizes, four saved games

Easy, Medium, Hard and Expert each keep their own game in progress. Leave Hard half-solved to play an Easy, and neither is lost.

Everything you'd want from the notebook

Pencil marks, peer highlighting, error highlighting, remaining-digit counts, undo, and a wall-clock timer that never lies to you. Nine languages. Plays completely offline.

Cozy Plus (optional)

Unlimited hints, no mistake limit, no ads, and three more accent colours. The daily race stays untouched by it, on purpose.

Support

Questions or bug reports for Sudoku Cozy go to support@sadec.app. See also our support page and privacy policy.