TSR Sudoku icon

TSR Sudoku

Elegant, offline, and minimalist Sudoku. Train your mind, one puzzle at a time.

Download on the App Store Get it on Google Play

A calm, focused way to play Sudoku

Four difficulties, clean design, zero clutter.

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Four difficulties

Easy, Medium, Hard, and Expert puzzles for every skill level.

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Smart hints

Stuck on a puzzle? Get a hint, or watch a quick ad for a bonus one.

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Track your progress

Best times, day streaks, and stats broken down by difficulty.

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Light, dark, or system

Play comfortably any time of day, matched to your device theme.

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Pencil marks & notes

Jot down candidates the way you would with a pencil and paper.

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Works offline

No account, no login, no internet required — play anywhere.

See it in action

The home screen, gameplay, stats, and settings.

TSR Sudoku home screen TSR Sudoku gameplay screen TSR Sudoku statistics screen TSR Sudoku settings screen

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.

Start solving today

Download on the App Store Get it on Google Play