Go Lab: AI Baduk KataGo Engine
Online Match & AI Analysis
$3.99 · Designed for iPad. Not verified for macOS.
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.
- Added a toast notification when the AI passes.
- Fixed a bug that caused games to become unplayable in certain situations.
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.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- koji ozono
- Size
- 32.8 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.
- iPhone
- Languages
- English and Japanese
- Age Rating
4+
- 4+
- Copyright
- ©2026 Koji Ozono
