Practise the thinking. Keep the judgement.
Kifu: Go Puzzles, Tsumego & Offline KataGo for iPhone
Go puzzles. One move at a time.
Read the board. Find your next move. Explore 3,000+ Go puzzles, including tsumego and tesuji, replay great games and play offline with KataGo.
Available for iPhone and iPad · Free with in-app purchases
Go puzzles. Tsumego. Tesuji.
Build your reading with life-and-death puzzles, tactical tesuji, captures, connections and shape. Choose a topic and rank, try a line, then use hints and undo to explore another possibility.
3,000+ problems
Practise life and death, tesuji, captures, connections and shape. Choose a topic and rank, use hints, undo a move and return to your saved progress.
Play offline with KataGo
Put your reading into practice against a custom-trained KataGo opponent that runs on your device.
Replay great games
Follow player collections one move at a time. Honinbo Shusaku’s collection is free; the optional All players purchase unlocks the other collections.
Help with your next move
Apple Intelligence offers short explanations while you solve problems, replay games or play against the computer. A compatible device with Apple Intelligence enabled and a supported language and region are required.
Recent professional games
Enable daily game updates to check for new records when you open the app. Updates need an internet connection, and records are added as they become available.
Poetry beside the board
Poems mode pairs Chinese and Japanese verses with selected game records, giving you another way to explore the culture of Go.
A Go study app, from your first capture to your next game.
Choose what you want to practise. Go is also called Baduk in Korean and Weiqi in Chinese; all three names refer to the same board game.
Learn Go: rules and first moves
Start with the illustrated primer on captures, territory, komi, handicap, ko and life. Then try capture and connection problems to put the ideas into practice. Choose a topic and rank, and work at your own pace.
Tsumego: life-and-death puzzles
Can this group make two eyes, or can you capture it? Read the replies before placing a stone. Kifu’s 3,000+ Go problems include life and death alongside other tactical themes, with hints and undo so you can try another line.
Tesuji: find the effective move
Practise captures, connections and shape with focused Go tactics problems. Look beyond the first move: consider the opponent’s reply, test your reading and revisit a position when you want another attempt.
Play Go against KataGo offline
Take what you have practised into a game against the on-device KataGo opponent. Bundled puzzles, game records and computer play work without an internet connection. Downloading new game records requires a connection.
Study Go game records, move by move
Replay classic games and follow how a position develops from opening to endgame. Honinbo Shusaku’s collection is free. You can also enable daily checks for recent professional game records, added as they become available.
Free download and optional player collections
Kifu is free to download for iPhone and iPad, with optional in-app purchases. Shusaku’s collection is free; All players unlocks the other player collections. Check the App Store for current local pricing.
Before your first move.
What is Kifu?
Kifu: Go Puzzles is a Go, Baduk and Weiqi app for iPhone and iPad. It includes 3,000+ problems, game replays, offline KataGo play and optional Apple Intelligence explanations.
What are tsumego and tesuji?
Tsumego are Go life-and-death problems: work out whether a group can live or be captured. Tesuji problems focus on effective tactical moves. Kifu includes these alongside captures, connections and shape practice.
Can I play Kifu offline?
Yes. Bundled problems, game records and KataGo computer play work offline. Optional daily updates check for new professional game records when you open the app and need an internet connection.
Is Kifu free?
Kifu is free to download, with optional in-app purchases. Honinbo Shusaku’s game collection is free. The All players purchase unlocks the other player collections.
What do I need for Apple Intelligence coaching?
You need a compatible device with Apple Intelligence enabled, plus a supported language and region. Short explanations are available in problems, game replays and computer play when these requirements are met.
Which devices can run Kifu?
Kifu is available for iPhone and iPad and requires iOS 26 or iPadOS 26 or later. Apple Intelligence features have additional device, language and region requirements.
How do I choose Go problems for my level?
Choose a topic and rank in Kifu’s problem collection. Start with captures and connections, use a hint if you get stuck, and undo a move to try another line. Tsumego and tesuji give you focused ways to practise reading.
Can I replay Go game records in Kifu?
Yes. Kifu lets you follow recorded games move by move. Honinbo Shusaku’s collection is free, and the optional All players purchase unlocks other player collections. Replaying a record is a way to study how a game develops.