Go Lab

Powered by KataGo AI

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
Go Lab Gameplay Screen

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.