Sudoku Insight

Serious about Sudoku? Ready for the challenge—and satisfaction—of unlimited-difficulty puzzles? Sudoku Insight offers an infinite stream of unfiltered and unrated puzzles, ranging from easy to mind-bendingly hard. And its Solution page analyzes any Sudoku and shows you insights into solving it. The indispensable app for the true Sudoku aficionado. • Clean, simple interface; no ads • Infinite undo & redo • Per-puzzle stats • Integrates with Google Goggles to allow capturing of puzzles with the camera • Free and open-source • Comprehensive help