iOS Universal Games
Let your brain Focus on these Sudokus.
This app contains 66 carefully selected and tested sudokus. Their difficulty has been ranked "level 3", which means that they are challenging (see the developer's page for more info).
If you plan to spend hours on solving sudokus you should definitely afford an ad-free hi-quality App with selected sudokus!
* Library with 66 carefully selected level 3 sudokus.
* User-interface that also can be operated by fat fingers.
* Unlimited undo- and redo- memory.
* Hi-light all digits of some kind, for exemple all 5:s
* Ability to make small notes in every cell (pencil marks).
Update to the User Interface. Better support for iPhone 6 and 7.