from XeduSoft e.U., originally released 17th May, 2011
Take a look at the newest Sudoku with a great design and easy to use.
This universal Sudoku app is running on iPhone and iPad.
EASY KEY ENTRY
Use big numbers for entries and small numbers for the notes.
Touching a set number or note again clears the entry done before.
3 SEVERAL LEVELS
Recent posts about A Sudoku+
discussion by Sidelines.