iSudo - Sudoku puzzle solver - gives you the following benefits:
● it can generate an unlimited number of Sudoku puzzles for you - with a level of difficulty that suits you
● you can also enter puzzles from newspapers or magazines
● it can give you the solution for all puzzles - no matter how difficult they are
● you can save all your puzzles and continue solving them at a later occasion
● you can get all the help you need to solve them - especially the more difficult ones - but you decide yourself how much help you want
● "Highlight mode" can show you number patterns that can be very useful - especially in removing cell candidates.
● For more difficult puzzles you can get help like:
- X-Wing strategy.
- Simple colouring chaining strategy.
- XY-Wing strategy.
- X-Cycles strategy.
- True-false chain strategy.
- Forced chain strategy.
- Swordfish strategy.