Sudoku Solver + app for iPhone and iPad
The most advanced Sudoku Solver which uses OCR technology to detect input from your camera or photo library. Why tediously input it by hand?
This app offers a "hint" button to let you know the answer of only a single square if youre stuck. This is helpful if you need a small hint when solving a difficult puzzle but dont want to ruin it for yourself.
You can also manually enter in the numbers as well!