This app uses logic to solve a sudoku. Stuck on a sudoku?, use the camera to capture it, solve it, and then step through the solution until you find a clue to help you become unstuck. The app also has a sudoku generator, and a mode where you can solve the sudoku yourself. Logic techniques available to the solver include: Naked & hidden pairs, triples and quads, pointing pairs, box line reduction, X-wings, Y-wings, XYZ-wings, swordfish, jellyfish, X and XY Chains. Use the default solver or