Sudoku with 4 difficulty levels, point system, notes and intelligent hints.
=> Thousands of puzzles
=> 4 difficulty levels (Easy, Medium, Hard, Expert))
=> Highlighting of row, column and box
=> Highlighting of possible entries
=> Intelligent hints
=> Notes with auto erase
=> Highscores
=> Autosave
=> No InAppPurchases
=> Play on iPhone, iPad and iPod
=> Play horizontal and vertical
NOTE: This application is ad-supported by in-game banner at the bottom of the screen.