Go Lab
Equipped with the high-performance Go AI "KataGo". Featuring a maximized 19x19 board for deep immersion, providing unmatched operability and visual clarity. From casual matches to real-time analysis and detailed review—play, study, and master Go with this all-in-one app.
Download on App Store
Professional Analysis Features
KataGo AI & Live Analysis
Monitor real-time analysis scores and win rates powered by the world-class "KataGo" engine. Stay informed with visual graphs and evaluation scores throughout the match.
Full-Screen 19x19 Board
The board is beautifully scaled to your screen, allowing for direct stone placement without zooming. Experience the authentic feel of a real Go board on your mobile device.
Precise Thinking Visualization
Thinking time for every move is recorded in the kifu (game record). Pauses are highlighted in red (top 5%) or yellow (top 15%), helping you analyze your tactical rhythm.
Advanced Kifu Review & Scoring
Utilize "KataGo" for precise automatic scoring at the end of the game. Jump to any position instantly and navigate through move history with ease for a perfect post-match review.
Online Matches & Rankings
Compete in real-time with players nationwide. Climb the ranks and test your skills against a global community of users.
Flexible Lv.1–Lv.53 Adjustment
Select from 53 detailed difficulty levels. Whether you're practicing or looking for a serious challenge, the CPU provides the perfect opponent for your skill level.
Gameplay Preview
Support & Engine
For bug reports or feedback, contact us at:
whistextapp@gmail.com
Engine: KataGo (MIT License)
Optimized for iPad and Mac.
Privacy Policy
We prioritize and protect your privacy above all else.
- Online Features: Temporary identifiers are used solely for matchmaking and rankings.
- Personal Data: We do not collect names, email addresses, or any other personal information.
- Offline Play: CPU matches and local 2-player mode operate entirely offline; no data is transmitted.