mathdoku iOS app product image

Mathdoku (also known as KenDoku, Calcudoku or KenKenĀ®) is a type of arithmetic/logic puzzle invented by Japanese math teacher Tetsuya Miyamoto. The puzzles were intended to be an instruction-free method of training the brain.

As in sudoku, the goal of each puzzle is to fill an NxN grid with digits (1 to N); such that...

This electronic version of the game is available on iPhone, iPad & iPod Touch and features:

The puzzles are auto generated; so no pesky in-app-purchases to worry about and no need to be on-line. (Nice if you're on holiday and don't want to worry about data roaming charges).

For any support, bug reports, feedback or feature requests; please contact us via .