Start a free puzzle instantly without installing anything.
Pure Sudoku
CLEAN. SMART. ADDICTIVE.
iPhone and web
Best Sudoku app for clean daily play.
Use Pure Sudoku in your browser when you want instant play, or install the iPhone app when you want a faster daily routine with readable boards, notes, and fewer distractions.
- Daily
- Fresh puzzle routine
- Notes
- Clean candidate entry
- Friends
- Multiplayer races
Use the iPhone app when you want quick access from your home screen.
Clean boards, notes, daily play, and multiplayer stay central.
Which version should you use?
Use web for instant play. Use the app for habit.
The browser version is the fastest way to test Pure Sudoku. The app is better when Sudoku is part of your daily routine and you want one-tap access from your home screen.
- Play solo in the browser without signup.
- Use the app for a cleaner phone routine.
- Practice daily Sudoku without opening a crowded games portal first.
- Keep daily and multiplayer pages bookmarked for repeat sessions.
No clutter
A Sudoku app should make the grid easier to read.
Players searching for a free Sudoku app, no-ads Sudoku app, or best Sudoku app usually want the same thing: a board that opens quickly and stays out of the way. Pure Sudoku keeps the puzzle, notes, timer, and multiplayer routes close without turning the page into a busy portal.
- Readable cells for phone and tablet solving.
- Notes and conflict checks when the puzzle gets harder.
- Easy, medium, hard, daily, and multiplayer routes from the same product family.
App routes