SenseiGo
Train Go with AI games, board scanning, tsumego puzzles, and guided lessons.
A complete Go training companion for iPhone — from your first game to reading complex positions.
Built for iPhone.
Six ways to improve your game.
Play AI
Challenge an adjustable AI opponent across 9×9, 13×13, and 19×19 boards. Dial the difficulty to match your rank.
KataGo Analysis
Get move-by-move feedback powered by KataGo — see win rate shifts, suggested variations, and where you went wrong.
Board Scan
Point your camera at a physical board and import the position instantly. Processed on-device — your photos stay private.
Tsumego Puzzles
Sharpen your reading with life-and-death problems. Ranked by difficulty, with hints available when you're stuck.
Guided Lessons
Work through structured lessons covering joseki, fuseki, and tesuji — from beginner concepts to intermediate strategy.
Save & Sync
Your games, scanned positions, and puzzle progress are saved to your account and available across reinstalls.
Everything you need to improve.
Home
Games
Puzzles
Lessons
Play AI
From physical board to digital analysis in seconds.
Point your iPhone camera at any Go board — club game, book diagram, or practice position. SenseiGo recognises the grid and stones on-device, then converts the position into a full digital record ready for AI review.
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Processed entirely on-device with CoreML & Vision
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Photos are never uploaded to any server
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Works on 9×9, 13×13, and 19×19 boards
A complete training loop.
Start a game or scan
Launch an AI game on any board size, or scan a physical position with your camera.
Get AI feedback & solve
Review KataGo's analysis of your moves, then tackle tsumego puzzles to sharpen your reading.
Track your progress
All games and puzzle results are saved to your account, building a picture of how your game is improving.
Free to start. Unlimited with Pro.
- 3 AI games per day
- 3 board scans per day
- Tsumego puzzles
- Introductory lessons
- Unlimited AI games & analysis
- Unlimited board scans
- Full lesson library
- Priority AI analysis queue
- Manage via Apple subscription settings
Subscription managed by Apple. Cancel anytime in iPhone Settings → Subscriptions.
Your data stays yours.
SenseiGo is designed to train you — not track you. Board scanning runs entirely on-device using CoreML and Vision. No photos are uploaded anywhere.
The app is built without ad SDKs or third-party analytics networks. We collect only what's needed to deliver AI analysis and sync your progress.