Why offline matters
A sudoku app should work on a train, in a waiting room, or anywhere the signal is weak. Sudoku by WizusLabs generates puzzles on device, saves progress locally, and does not require an account before you can play.
The app includes classic nine-by-nine sudoku and killer sudoku variants. The daily challenge is free for everyone.
Controls you can tune
The mistake counter is on by default and can be turned off. Auto-clear of wrong entries is optional. Hints are available, with a monthly token budget for free players and unlimited hints for Pro.
Every generated puzzle is designed to have exactly one solution. The interface stays quiet so the focus stays on the puzzle.
No cognitive claims
Sudoku by WizusLabs does not claim to improve your brain, memory, IQ, or focus. It is a sudoku app. Classic puzzles, killer variants, and a quiet interface are enough.