Nine: Sudoku No Ads

Ad free classic logic puzzle

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

No ads. Ever. Every puzzle has one solution you can reach by logic — no guessing, just clean, classic Sudoku. Sudoku with no ads — and every puzzle solvable by logic. No banners, no pop-ups, no videos between puzzles. Not now, not ever. Just the grid. Every puzzle in Nine has exactly one solution and is checked by a solver before you see it, so you never have to guess. Difficulty is graded by the techniques you'll need, not just the number of clues. FOUR LEVELS • Easy — warm up with singles • Medium — fewer clues, still singles • Hard — needs pointing pairs • Expert — pairs, triples and X-Wings BUILT FOR SOLVING • Notes that clear themselves when you place a number • Free, unlimited undo • Highlights for the row, column, box and matching digits • See how many of each number are left • Mistakes shown as you go — or turn them off • Your puzzle is saved automatically CLEAN AND QUIET • No ads, ever — not even in the free version • No account. No tracking. • Dark and light themes • Works fully offline NINE PRO (one-time purchase) • Unlimited hints (3 per puzzle free) • Ocean, Ember and Forest themes

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The developer, Westsmith, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

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    Information

    Seller
    Westsmith Ltd
    Size
    597 KB
    Category
    Puzzle
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    © 2026 Westsmith Ltd
  • Developer Website
  • Privacy Policy

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