# EasyGo AI - KataGo & Tsumego — Play, Analyze & Solve Offline > Offline Go AI play, analysis, and study tools with extensive problem library. (iPhone/iPad app by 翔 赵.) - Source: https://appshunter.io/ios/app/easygo-ai-katago-and-tsumego/id6813126261 (this page in markdown: same URL + `.md`) - Developer: [翔 赵](https://appshunter.io/developer/492566618) - Category: Games, Board, Strategy - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 15.0 · 60 MB - Languages: Russian, Vietnamese, American English, European Spanish, Italian, Korean, German (Germany), European Portuguese, Chinese (Traditional, Taiwan), Chinese (Simplified, China) and 2 more - Released: 2026-10-28 - Data updated: 2026-11-10 - Monetization: free ## What is EasyGo AI? Fourteen years after the original EasyGo launched on iOS, EasyGo AI brings it into a new generation. It carries over the complete tsumego library and most of EasyGo’s features, while adding daily problems and KataGo-powered AI play and analysis that run offline on your device. Whether you're reviewing games, playing against AI, tackling tsumego, or learning joseki, EasyGo AI brings everything together in one powerful offline tool. 1. NEW: OFFLINE AI PLAY & ANALYSIS Play and review with on-device KataGo AI. No server required. • Play AI games offline with KaTrain-style calibrated ranks and human-style models for natural practice at different strengths • Analyze positions with candidate moves, win rates, score estimates, territory estimates, and variations • Start AI play from existing SGF files, review AI games like normal SGFs, and continue from saved AI sessions • Use the bundled lightweight model, download curated models, or import your own KataGo-compatible model files • Choose CPU or Metal KataGo engines 2. MASTER GO, WEIQI & BADUK WITH PROBLEMS & STUDY TOOLS Sharpen your skills with 2,400+ built-in problems covering fundamentals, life and death (tsumego), tesuji, joseki, and endgame techniques. Practice with built-in collections, imported SGF problems, or problems you create from game positions. With 893 life-and-death problems featuring extensive variations, you'll explore many responses and build deeper understanding. • Daily Problems: Build a consistent training habit with three problems each day: Easy, Medium, and Hard. • Problem Practice: Customize sessions by attempt count, mistake history, or success rate. Add variety by randomizing color and board orientation. • Spaced Repetition System (SRS): After solving a problem, rate it as Fail, Hard, or Easy, and EasyGo AI schedules it for review like smart flashcards. • Interactive Joseki Practice: Go beyond rote memorization. EasyGo AI guides you through valid joseki variations for both Black and White. • Local Profiles: Keep separate problem stats, SRS progress, daily state, and recent activity while sharing library content. 3. FULL-FEATURED SGF EDITOR Record games, create problems, review professional matches, or study AI games with EasyGo AI's intuitive SGF editor. • Full SGF FF[4] support • Visual node tree for easy navigation • Instantly switch between edit mode and problem-solving mode • Split a game from a variation point into separate games • Create a problem from the current board position, using the full board or a selected area • Replay mode, full-screen mode, markup tools, comments, setup stones, and node-tree editing 4. SEAMLESS IMPORT & EXPORT • Batch import SGF or ZIP files • Open SGF files from other apps • Share one or multiple games as SGF/ZIP files • Save and export compatible AI analysis data in SGF files 5. MORE FEATURES TO LOVE • Works offline, including Daily Problems and on-device AI • Modern, responsive interface with full Dark Theme support • Tablet-optimized with automatic layout selection • Practice alternative variations for any problem • Organize collections with folders and batch operations • Browse in list or grid view, sort by player/date/title, and favorite items for quick access • Customize your board with different backgrounds and stone textures, or add your own EasyGo AI offers generous free access to every feature, with an optional one-time upgrade for unlimited use. No subscriptions. ## Key features - Offline AI play and analysis with KataGo - 2,400+ Go problems (tsumego, joseki, endgame) - Spaced Repetition System for problem review - Full-featured SGF editor - Seamless SGF import and export - Daily problems (Easy, Medium, Hard) ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Pro | $11.99 | one-time | | All Problems | $7.99 | one-time | ## Is EasyGo AI safe? Not enough ratings yet to assess EasyGo AI. ## Is EasyGo AI legit? EasyGo AI - KataGo & Tsumego appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for EasyGo AI is 75 out of 100 points across 7 verification signals from App Store and developer data. ## Frequently asked questions about EasyGo AI ### Does EasyGo AI have ads? No, EasyGo AI is ad-free, allowing for an uninterrupted learning and playing experience. ### Can I play EasyGo AI offline? Yes, EasyGo AI is designed to work completely offline, including its AI play, analysis, and daily problems. ### What kind of AI does EasyGo AI use? EasyGo AI utilizes KataGo, a powerful AI engine, for offline play and analysis, offering calibrated ranks and human-style models. ### How many problems are available in EasyGo AI? EasyGo AI includes over 2,400 built-in problems covering fundamentals, life and death (tsumego), tesuji, joseki, and endgame techniques. ### What devices does EasyGo AI support? EasyGo AI is available on iPhone, iPad, and iPod, offering a responsive interface with full Dark Theme support. ### How does the Spaced Repetition System work in EasyGo AI? The SRS in EasyGo AI schedules problems for review based on your performance (Fail, Hard, Easy), similar to smart flashcards, to reinforce learning. ### Can I create my own problems in EasyGo AI? Yes, EasyGo AI features a full SGF editor that allows you to create problems from current board positions or existing game variations. ### What is the age rating for EasyGo AI? EasyGo AI has an age rating of 4+, making it suitable for a wide range of users interested in learning and playing Go. ## Version history (last 1 release) ### 1.4.3 — 2026-10-28 No release notes. ## More apps by 翔 赵 - [EasyGo Pro-Tsumego, SGF editor](https://appshunter.io/ios/app/easygo-pro-tsumego-sgf-editor/id492566615) - [EasyGo - Tsumego, SGF editor](https://appshunter.io/ios/app/easygo-tsumego-sgf-editor/id543012893) - [Easy Desktop](https://appshunter.io/ios/app/easy-desktop/id1594147048) - [Solitaire by EasyGo](https://appshunter.io/ios/app/solitaire-by-easygo/id6786297973) All apps by 翔 赵: https://appshunter.io/developer/492566618 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-11-10.*