Sudoku 365 Free app for iPhone and iPad

5 in 1: Classic Sudoku, X-Sudoku, Hyper-Sudoku, Percentage-Sudoku and Color-Sudoku.

Game Features:
***** 5 difficulties - Kids, easy, normal, hard, master
***** 3 intuitive input modes - Floating numpad for single digit entry, floating numpad for multi digits entry and fixed numpad input.
***** 3 pencil marks input modes - Auto, pencil marks always on and pencil marks always off.
***** Daily challenge - New puzzle every day, you can challenge with Facebook friends. Require network connection for this game mode.
***** Free Practice - Unlimited puzzles for you to practise.
***** Auto-save
***** Undo and Redo
***** Useful hints
***** Best time records and average time records.