Sudoku Solver

How this sudoku solving app stands out from the rest: * Solves any 9 by 9 sudoku puzzle within a fraction of a second, no matter how hard. * Once solved, doesn't just show all the answers, but gives the user the option of how to reveal the solution. You can choose to reveal a specific number, a row, a column, a 9-cell square, or the whole thing. * The user can go back after it was solved, to edit the original input and solve it again updated. * Error detection for when the user inputs the given puzzle, so there can be no conflicting numbers. * A very straight forward, user-friendly interface. * And the best part, it is free and absolutely no ads!