SudoQ is the ultimate sudoku app. Intuitive, unlimited supply, many difficulties and shapes, zero ads, open source, no permissions. For a complete list of features, see below: Not just 9x9. Who says sudoku must have 81 fields? Our app offers many different kinds of sudokus. Bored by 9x9 sudokus? Try 16x16, 6x6, samurai sudokus or many more! Too easy? Can't be!