Sudoku Terminator App Reviews

Tried a few other free suduko apps. This is the best.

Main issue is the lack of persistence when playing a game. If you pause and leave a game theres a good chance that youll have to start over when you return. This seems to depend on how long time before you return. Other issue is that the app sometimes sends you to an ad or the app store in the middle of a game without you doing anything. A way for the developer to get more recenue?