Not Evil Sudoku

A clean, minimalistic, native sudoku app built for iPhone.

No Ads

Most sudoku apps are filled with ads. Not Evil Sudoku is not one of them.


See how fast you can solve a puzzle and keep track of your improvement.

Difficulty Modes

Pick a difficulty mode that suits you.


Undo any moves you may regret.


Keep track of which numbers you think may belong in a square.


Develop a daily sudoku habit and keep track of your streak.

Best Time

See your best time to solve a sudoku game in each difficulty mode.


See your progress over time and over difficulty.

App Icons

Fun alternate app icons to liven up your home screen.