Sudoku AI Coach
A free daily sudoku app where an AI coach explains why each number goes where it does. 22 solving techniques explained in plain language, from beginner to master.
Coming soon on Google Play
Daily puzzles solvable by logic
Six difficulties from Beginner to Master. Every puzzle can be solved without guessing.
Hints that explain why
Three steps — where to look, how to think, the answer and the reason — for every next move.
An owl AI coach
Stuck on a hint? Ask the AI coach anything about it.
Practice 22 techniques
From Hidden Single to X-Wing and Skyscraper, each with a guided tour on the board and practice puzzles.