Photograph the Sudoku you are stuck on.
Use a puzzle from a newspaper, book, website, or another app. Sudoku Coach reads the printed numbers on this device, lets you correct the grid, and coaches that exact puzzle.
Use a screenshot or photo →No account required · Your image is never uploadedKeep your puzzle. Add a coach.
This is not a solver that replaces your work. You review the recognized givens, then continue playing while progressive clues teach the next deduction.
- 01
Choose the image
Take a straight photograph of a printed grid or choose a screenshot already saved on your device.
- 02
Check the recognized grid
Uncertain squares are marked for review. You can correct any number before continuing.
- 03
Ask for the next logical move
The coach works from the current grid, names the technique, and reveals only as much as you request.
Checked before coaching begins
- Conflicting givens are rejected.
- The puzzle must have one valid solution.
- Incorrect entries are marked during play.
- The coach uses deterministic Sudoku facts.
The screenshot stays with you.
Recognition runs locally on this device. The image is not uploaded, and imported puzzle progress remains on this device unless you choose account sync.
Use the coach on the grid that stopped you.
Choose the screenshot or photograph, check the recognized numbers once, and continue from the exact puzzle you wanted to solve.
Use a screenshot or photo →No account required · Your image is never uploaded