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Description
SakataGo – Play Go offline with KataGo
Bring one of the world’s strongest Go AI engines, KataGo, directly to your iPhone or iPad — fully offline, no internet or servers required. Play, analyze, and improve your Go game anywhere, against AI opponents ranging from advanced beginner to professional and superhuman levels.
Key Highlights:
- Fully offline KataGo AI – play anywhere, anytime
- Adjustable AI strength: from 6‑kyu to full KataGo strength
- Realistic board and stones: Hyuga Kaya board with slate and clam shell stones
- Game analysis and hints: review moves, estimate territory, and check win rates
- SGF support: open, share, and store Go game files easily
Play & Learn
SakataGo combines the KataGo engine with powerful analysis tools:
- Step through games forward and backward, get AI hints, and see territory and win rate estimates
- Store up to ten positions in a review stack and cycle through them
- Continue playing from any review position, keeping the reviewed game stored or in the clipboard
- Choose between human imitation levels (6‑kyu to 9‑dan amateur) or full KataGo strength, based on the latest neural network models (2025)
- Switch opponent strength, AI player and think times during a game to test different reactions
User Settings:
- AI Player (white, black, or none)
- Handicap and Komi adjustments
- Choice of Japanese or Chinese rules
- AI think time and hint calculation time
- Optional on-screen win rate and score display
- Select between two KataGo neural net models (small and large)
- Switch sound on or off
Realistic Design
- Enjoy a beautiful, natural board and stone setup, with slight imperfections for a realistic feel.
- SakataGo’s easy-to-use interface focuses on essentials so you can focus on playing and improving your game.
Game Sharing & SGF Support
- Open SGF files from the Files app, from the clipboard or via Share Extension
- Share games or positions via clipboard or compatible apps, or save to file
- Note: variants in SGF files are not supported; SakataGo’s main focus is offline AI gameplay and review. However, by using SakataGo's review stack and clipboard functionalities, you can easily play out variants and return to former positions.
Why "SakataGo"?
The app name was chosen both in honor of Eio Sakata (坂田 栄男, 1920-2010) and KataGo (*2019), combining the names of one of the leading professionals of the 20th century with today's leading Go playing AI.
What's New in Version 1.1
Added Japanese and Korean language support
Seller
Name
Torsten Hefer
Information
Developer
Categories
Version
1.1
Size
586.6 MB
Game Center
No
VPP Device Licensing
Yes
Rating
Rated: 4+
Compatibility
iOS 18.6 or later
Devices
iPhone 5s, iPhone 6, iPhone 6 Plus, iPhone 6s, iPhone 6s Plus, iPhone SE, iPhone 7, iPhone 7 Plus, iPhone 8, iPhone 8 Plus, iPhone X, iPhone XR, iPhone XS, iPhone XS Max, iPhone 11, iPhone 11 Pro, iPhone 11 Pro Max, iPhone SE (2nd generation), iPhone 12, iPhone 12 Pro, iPhone 12 Pro Max, iPhone 12 mini, iPhone 13, iPhone 13 Pro, iPhone 13 Pro Max, iPhone 13 mini, iPhone SE (3rd generation), iPhone 14, iPhone 14 Plus, iPhone 14 Pro, iPhone 14 Pro Max, iPhone 15, iPhone 15 Plus, iPhone 15 Pro, iPhone 15 Pro Max, iPhone 16, iPhone 16 Plus, iPhone 16 Pro, iPhone 16 Pro Max, iPhone 16e, iPhone 17, iPhone 17Pro, iPhone 17ProMax, iPhone Air, iPad (5th Generation) Wi-Fi, iPad (5th Generation) Wi-Fi + Cellular, iPad (6th generation) Wi-Fi, iPad (6th generation) Wi-Fi + Cellular, iPad Pro, iPad Pro (Cellular), iPad Pro (9.7-inch), iPad Pro (9.7-inch) (Cellular), iPad Pro 12.9-inch (2nd generation), iPad Pro 12.9-inch (2nd generation) Wi-Fi + Cellular, iPad Pro (10.5-inch), iPad Pro (10.5-inch) Wi-Fi + Cellular, iPad Pro (11-inch), iPad Pro (11-inch) Wi-Fi + Cellular, iPad Pro 12.9-inch (3rd generation), iPad Pro 12.9-inch (3rd generation) Wi-Fi + Cellular, iPad Air, iPad Air (Cellular), iPad Air 2, iPad Air 2 (Cellular), iPad Air (3rd generation), iPad Air (3rd generation) Wi-Fi + Cellular, iPad mini Retina, iPad mini Retina (Cellular), iPad mini 3, iPad mini 3 (Cellular), iPad mini 4, iPad mini 4 (Cellular), iPad mini (5th Generation), iPad mini (5th Generation) Wi-Fi + Cellular, iPad (7th generation) Wi-Fi + Cellular, iPad Pro 11-inch (2nd generation), iPad Pro 11-inch (2nd generation) Wi-Fi + Cellular, iPad Pro 12.9-inch (4th generation), iPad Pro 12.9-inch (4th generation) Wi-Fi + Cellular, iPad Air (4th Generation) (Wi-Fi), iPad Air (4th Generation) (Wi-Fi + Cellular), iPad (8th generation) Wi-Fi, iPad (8th generation) Wi-Fi + Cellular, iPad Pro 11-inch (3rd generation), iPad Pro 11-inch (3rd generation) Wi-Fi + Cellular, iPad Pro 12.9-inch (5th Generation), iPad Pro 12.9-inch (5th Generation) Wi-Fi + Cellular, iPad (9th Generation), iPad (9th Generation) Wi-Fi + Cellular, iPad mini (6th Generation), iPad mini (6th Generation) Wi-Fi + Cellular, iPad Air (5th generation), iPad Air (5th generation) Wi-Fi + Cellular, iPad Pro 11-inch (4th generation), iPad Pro 11-inch (4th generation) Wi-Fi + Cellular, iPad Pro 12.9-inch (6th generation), iPad Pro 12.9-inch (6th generation) Wi-Fi + Cellular, iPad (10th generation), iPad (10th generation) Wi-Fi + Cellular, iPad Air 11-inch (M2) Wi-Fi, iPad Air 13-inch (M2) Wi-Fi, iPad Air 13-inch (M2) Wi-Fi + Cellular, iPad Pro 11-inch (M4) Wi-Fi, iPad Pro 11-inch (M4) Wi-Fi + Cellular, iPad Pro 13-inch (M4) Wi-Fi, iPad Pro 13-inch (M4) Wi-Fi + Cellular, iPad mini (A17 Pro) Wi-Fi, iPad mini (A17 Pro) Wi-Fi + Cellular, iPad (A16) Wi-Fi, iPad (A16) Wi-Fi + Cellular, iPad Air 11-inch (M3) Wi-Fi, iPad Air 11-inch (M3) Wi-Fi + Cellular, iPad Air 13-inch (M3) Wi-Fi, iPad Air 13-inch (M3) Wi-Fi + Cellular, iPad Pro11M5, iPad Pro11M5Cellular, iPad Pro13M5, iPad Pro13M5Cellular, iPod touch (6th Generation), iPod touch (7th generation)
Languages
English, Japanese, Korean
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