Sudoku for iPhone & iPad

The grid.
Nothing else.

Fast, focused Sudoku that feels at home on your Apple devices. No ads, no nagging popups, and no connection required to play.

A hand using CharGrid’s circular number control on iPhone

Made for the puzzle

Quick to enter.
Quiet enough to think.

Play with touch, a hardware keyboard, or Apple Pencil. The number ring puts answers and notes beside the active cell, while optional assistance stays out of sight until you ask for it.

01

Native from the first tap.

Built in SwiftUI with a dedicated Rust puzzle engine, CharGrid generates valid Easy, Medium, and Hard games and checks every solve immediately.

A dark CharGrid Sudoku board on iPhone
CharGrid home screen with active and completed puzzles
02

Your puzzles stay with you.

Games and progress are stored on-device, so a dropped connection never interrupts a move. Optional iCloud support keeps your play available across your devices.

CharGrid appearance, iCloud, and Game Center settings
03

Make it yours.

Light and dark appearances, accent colours, and assistance settings for the way you play.

CharGrid Game Center leaderboards
04

Clean solves count.

Optional Game Center leaderboards reward unassisted solves across every difficulty.

First up: Sudoku

One calm home for grid puzzles.

CharGrid is starting with Sudoku and built to grow. Get in touch to hear when the first release lands.

Keep me posted