Download on the App StoreEasy, Medium, and Hard boards are generated continuously, so there is always another challenge ready.
Endless 9x9 Sudoku
Infinity Sudoku 9x9
Play freshly generated Sudoku puzzles on iPhone, iPad, Mac, and Apple TV with clear difficulty levels, quiet themes, printing, score tracking, and intelligent prediction.
EasyMediumHard
Built for steady puzzle practice
Choose ink, bamboo, winter plum, skyline, forest, and classical art themes that match the app icon and native UI.
Print boards, track score, and use intelligent prediction when you want a gentler solving flow.
Sudoku guides
Use short Sudoku sessions to train observation, patience, and logical focus without turning practice into noise.
Print a fresh Sudoku board from Infinity Sudoku and solve away from the screen on paper.
Why generated Sudoku boards keep practice fresh across Easy, Medium, and Hard levels.