A calm, focused way to play Sudoku
Four difficulties, clean design, zero clutter.
Four difficulties
Easy, Medium, Hard, and Expert puzzles for every skill level.
Smart hints
Stuck on a puzzle? Get a hint, or watch a quick ad for a bonus one.
Track your progress
Best times, day streaks, and stats broken down by difficulty.
Light, dark, or system
Play comfortably any time of day, matched to your device theme.
Pencil marks & notes
Jot down candidates the way you would with a pencil and paper.
Works offline
No account, no login, no internet required — play anywhere.
See it in action
The home screen, gameplay, stats, and settings.
Free to play, ad-free if you want
One optional one-time purchase — no subscriptions, ever.
Free
- All four difficulties, unlimited puzzles
- Stats, streaks, and best times
- No account or sign-up required
Remove Ads
- Removes all banner ads
- Rewarded ads for bonus hints stay optional
- One-time purchase, yours forever
Questions
Do I need an account to use the app?
No. TSR Sudoku doesn’t require sign-up or login — your puzzles, stats, and settings are stored on your device.
Is Remove Ads a subscription?
No. It’s a one-time purchase that removes banner ads permanently — there’s no recurring charge.
Does the app work without internet?
Yes. Once installed, every puzzle and difficulty works fully offline.
Can I use my purchase on more than one device?
Yes — use “Restore Purchases” in Settings on any device signed in with the same Apple ID or Google account used for the original purchase.
Which platforms is the app available on?
TSR Sudoku is available now for iPhone, iPad, and Android.


