Sudoklu is a robust Sudoku puzzle solving app that can solve even the most challenging Sudoku puzzles.

The current version of Sudoklu uses the following solving techniques:

  • Naked singles, pairs, triples and quadruples
  • Hidden singles, pairs, triples and quadruples
  • Locked candidates (pointing and claiming)
  • Brute force

Sudoklu allows you to solve Sudoku puzzles one move at a time, or all at once. Using Sudoklu's intuitive user interface, you can always navigate backwards and forwards through the moves that Sudoklu made in solving a puzzle, with an accompanying logical explanation for each move so that you can learn.

Additional solving techniques will be implemented in future releases.

If you have any questions or suggestions, please do not hesitate to contact us at

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