chessO

Memorize. Rebuild. Win.

Free · In-App Purchases

See it -> Memorize it -> Win it Memory, not luck. chessO turns any spare minute into a laser-focused pattern workout. Set how many pieces you want to memorise and how long you want to glimpse the board. The app then auto-generates a fresh position and challenges you to rebuild it square-perfect. CORE FEATURES * Instant board generator – zero prep, unlimited variety * Custom preview timer – pick 1-10 seconds for short- or long-term recall * Pattern Lock drills – place pieces; instant feedback shows mistakes * Streak and accuracy stats – watch blind spots disappear WHY IT WORKS Active recall + spaced repetition = durable memory. Medical students use it for anatomy; titled players use it for endgames. chessO brings both into a game-speed interface. PRICING (Subscription Required After Trial) chessO requires a subscription to access all content. A 3-day free trial is available before billing begins. Monthly Plan – full access, cancel any time Lifetime Plan – one payment, over 65% cheaper long-term WHO IT’S FOR * Under 1200 Elo – learn basic mating nets * 1200-1800 – patch middlegame pattern gaps * 1800+ – sharpen instant piece-square recognition for blitz Stop drilling puzzles you’ll never see again. Generate, memorise, rebuild, repeat. Download chessO today and feel your board vision sharpen after the very first session. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ PRIVACY: alboainin.dev/projects/chessO/privacy

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Improved keywords for the app store.

Version 1.1

The developer, Ali Alboainin, 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

    The developer does not collect any data from this app.

    Privacy practices may vary based, for example, on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    • Provider
      • Ali Alboainin
    • Size
      • 12.1 MB
    • Category
      • Puzzle
    • Compatibility
      Requires iOS 17.5 or later.
      • iPhone
        Requires iOS 17.5 or later.
      • iPad
        Requires iPadOS 17.5 or later.
    • Languages
      • English
    • Age Rating
      4+
    • In-App Purchases
      Yes
      • Annual USD 11.99
      • Lifetime USD 1.99
      • Monthly USD 3.99
      • Learn More
    • Copyright
      • © 2025 Ali Alboainin
  • Privacy Policy

    • More by Ali Alboainin

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