Enjoy unlimited logic puzzles similar to Sudoku. This app offers a vast collection of Calcudoku and Mathdoku challenges that can be solved through deduction. Compete with friends and share puzzles for a fun, ad-free experience.






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Whether you want more options like Round Rummy or a completely different take on the same concept, our curated list of 10+ similar apps and games has you covered. Updated for 2026 with the latest ratings and comparisons.
















Enjoy unlimited logic puzzles similar to Sudoku. This app offers a vast collection of Calcudoku and Mathdoku challenges that can be solved through deduction. Compete with friends and share puzzles for a fun, ad-free experience.