Sudoku Flow

Every puzzle in the app has a single, unique, logic-validated solution.

Auto-save is on. Tap a cell and start solving.

Input

Cell first

Settings

Saved on this device

Theme Live auto-notes Highlight row, column, and box Highlight matching digits Show conflicts Show mistakes

Statistics

Technique support

The hint engine supports scanning and singles, naked and hidden pairs, naked and hidden triples, pointing and claiming, X-Wing, Y-Wing, and contradiction-based forcing-chain checks.

Scanning Hidden singles Naked pairs Hidden pairs Naked triples Hidden triples Pointing / claiming X-Wing Y-Wing Forcing chains