Daily 9×9 logic puzzle

Sudoku

A quiet 9×9 board for every commute, lunch break, and late night.

Download on the App Store iPhone & iPad · No account · Offline
Sudoku 9×9 puzzle on iPhone
  • No ads during play
  • Offline

How to play Sudoku

Sudoku is a classic 9×9 logic puzzle. Fill the board so each row, column, and 3×3 box contains the digits 1–9 once. Play has no ads during a game, puzzles stay on your device, and you can play fully offline.

  • 1

    Rows, columns, and boxes

    Place digits 1–9 so no digit repeats in any row, column, or 3×3 box. Given clues cannot be changed.

  • 2

    Four levels, one daily puzzle

    Choose Easy, Medium, Hard, or Expert. Daily Challenge gives you one new puzzle each day and keeps your completion streak. The first week is beginner-friendly.

  • 3

    One logical path

    Every standard puzzle has one solution. Use notes, matching-number highlights, optional error checks, undo, and a timer when you want them.

Support & FAQ

Need help with Sudoku? These answers cover difficulty, hints, and how to report a bug.

How do I choose a difficulty?

Pick Easy, Medium, Hard, or Expert. Daily Challenge starts gentler for the first 7 days after install so new players can settle in.

How do hints work?

Free players get 3 hints per day (as shown in the app). Sudoku Premium unlocks unlimited hints, plus extra board themes.

How do I report a bug?

Email orangepie2019@gmail.com with your iOS version, device, and what happened. Screenshots help. We read support mail and will get back as soon as we can.