Go Lab: AI Baduk KataGo Engine

Online Match & AI Analysis

$3.49 · Designed for iPad

Master Go with KataGo AI. Enjoy online matches and move-by-move evaluation graphs on a stunning full-screen board. The ultimate study lab for every player. Experience Go like never before with the powerful AI "KataGo," now featuring highly anticipated Online Matches and Victory Leaderboards! Supporting 9x9, 13x13, and 19x19 boards, this comprehensive Go app allows you to play, review, and analyze your games all in one place. Whether you are battling world-class AI or testing your skills against players worldwide, our beautiful interface makes every move a pleasure. Enjoy a serious match on the go—CPU and local 2-player modes are fully supported offline, so you can focus on your game anytime, anywhere, without worrying about your connection. Key Features • Online Matches (NEW): Challenge players from around the world in real-time. • Victory Leaderboards (NEW): View rankings based on your total number of wins. • Fullscreen Support: In addition to standard views, play on a beautiful, edge-to-edge board(ideal for 19x19 games). • Real-time Analysis: Monitor win-rate graphs and score evaluations even during an active match. • Think Time Visualization: See exactly how much time was spent on each move. Long-thinking periods are highlighted in Red (top 5%) and Yellow (top 15%). • Review Guidance: Moves that significantly impacted your position are highlighted with a red background, helping you pinpoint mistakes instantly. • Match History Analysis: Study past games with intuitive controls: replay, step back, or move forward. • Instant Move Jump: Tap any move in the record to jump directly to that specific board position. • Save & Resume: Games are automatically saved, allowing you to pick up exactly where you left off. • Adjustable CPU Strength: Levels range from beginner-friendly practice to professional-grade challenges. • UNDO: Easily take back your last move to try a different strategy. • Haptics & Animations: Fine-tuned tactile feedback and smooth visual transitions for a premium feel. • Complete Offline Support: CPU matches and local 2-player shared-screen modes work perfectly without an internet connection. *Note: The in-app interface is primarily in English.

Ratings & Reviews

  • This app hasn’t received enough ratings or reviews to display an overview.

• Optimized the UI rendering engine for improved overall app performance. • Fixed a rare crash that could occur in specific environments or during certain rendering timings. • Resolved an issue where the result screen could unexpectedly close due to consecutive taps at the end of a match.

Version 1.0.8

The developer, koji ozono, 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, for example, based 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

    • Seller
      • koji ozono
    • Size
      • 32.7 MB
    • Category
      • Board
    • Compatibility
      Requires iOS 17.6 or later.
      • iPhone
        Requires iOS 17.6 or later.
      • iPad
        Requires iPadOS 17.6 or later.
      • Mac
        Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 1.3 or later.
    • Languages
      • English and Japanese
    • Age Rating
      4+
    • Copyright
      • ©2026 Koji Ozono
  • Developer Website
  • Privacy Policy
  • License Agreement

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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