Free
Rating summary
About
The ultimate sudoku app
Features:
- Multiple difficulty levels
- Smart hints & notes
- Multiple languages
- Stopwatch to track your time
The integrated SAT solver ensures that each new sudoku is truly random and feels different from the previous one, while at the same time giving the ability to provide sudokus with more than one single solution
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What's New in Ultimate Sudoku App
1.4.2
September 29, 2026
Fixed bug in clear button so clearing existing cells does not clear notes
