ChessDuo
ChessDuo app icon
ChessDuo
Free for iPhone and iPad

Chess for two, wherever you are.

Start a room, share a short code, and play live on two iPhones. Or pass and play on one phone, take on the computer, solve daily puzzles, and set up any position on the analysis board.

Download on the App Store
  • No ads
  • No signup needed
  • English · Português · Español
Play online

A name and a room code. That's it.

No account signup. One of you starts a room, the other joins with the code, and you're playing live on two iPhones.

  1. Create a roomYou get a 6-letter code to share.
  2. Your partner joins with the codeColors are assigned at random when the second player joins.
  3. Play, and talk it throughFaceTime while you play so you can talk through moves.
  • Live sync
  • Push alerts on your turn
  • Spectate any room
  • Draw and undo offers
  • Nudges
Play Online screen with Create a room and Join with a code
Inside the app

Every way to play, one calm home.

Warm paper tones, clear boards, and big friendly controls on iPhone and iPad.

  • Home screen with stats and every game mode
    HomeEvery mode, one tap away
  • Play Online lobby with room code entry
    Play OnlineRooms, codes and spectating
  • A game against the computer at Club level with clocks and a coach tip
    Play the ComputerFive levels, beginner to master
  • Daily puzzle screen with streak and rating
    PuzzlesDaily tactics and mates
  • Pass and Play game with move list and a coaching tip
    Pass & PlayTwo players, one phone
Features

Everything two players need.

From a first game with a friend to reviewing your accuracy move by move.

  • Play Online

    Room codes, live sync and push alerts. Spectate any room live, offer a draw or an undo, and nudge a slow partner.

  • Pass & Play

    Two players, one phone. Hand it across the table, with clocks and increments if you want them.

  • Play the Computer

    Five levels, from beginner to master, powered by an engine that runs right on your phone.

  • Puzzles

    A daily puzzle plus 100 engine-checked tactics and mates, with a solve streak and a puzzle rating.

  • Built-in coaching

    A move guide, optional private hints, a piece guide, and a computer that can play a turn for you.

  • Scorecards and Past games

    When a game ends you get accuracy by move and an evaluation graph. Replay past games and share them as PGN.

  • Analysis Board

    Set up any position and explore it.

  • Learn

    How the pieces move, special rules like castling and en passant, and tips for beginners, with a board to try them on.

  • Sync across devices

    Optional sign in with Apple, Google or email. Your games, stats, puzzles and settings restore on a new phone.

For beginners

A coach at the table.

Built-in coaching helps beginners learn while they play, with short tips about what just happened and what to watch for.

  • Move guide with arrows and threats while you think
  • Optional private hints
  • Piece guide for how every piece moves
  • “Play for me” lets the engine make a move for you, marked as assisted in your review

Assists start off, so every match is clean until you choose otherwise. Switch them on or off any time in Settings.

A Pass and Play game showing the coach tip: You can capture a pawn on E4. Is it safe?
Make it yours

2D or 3D, in the colours you like.

Drag or tap on a crisp 2D board, or orbit and pinch around a 3D one. Pick a board theme or your own custom colours, and one of three piece styles.

  • Classic
  • Walnut
  • Marble
  • Ocean
  • Forest
  • Rose
  • Slate
  • Neon
  • High contrast
  • Custom

Your move.

ChessDuo is free on the App Store for iPhone and iPad. No ads. Just a name and a room code.

Download ChessDuo on the App Store