Kirei Sudoku App Icon

Kirei Sudoku

Clean. No ads, no subscription, no data collection now or ever.

Just pure Sudoku.

Download on the App Store

Coming soon.

Kirei Sudoku app screenshot showing a puzzle in progress
No Ads
Privacy First
No Subscription
One-Time Purchase

Pure Sudoku Experience

Everything you need, nothing you don't

3 Difficulty Levels

From Easy to Hard, with puzzles calibrated using solving techniques that increase in difficulty with each level.

Beautiful Design

Clean, modern interface with dark mode support. Celebration confetti when you complete a puzzle.

Smart Helpers

Note-taking mode, mistake highlighting, matching number highlighting and hints for when you're really stuck.

Fully Customizable

Toggle the timer, mistake counter, difficulty badge, and more. Play your way.

Track Your Time

Built-in timer to track how long each puzzle takes. Challenge yourself to beat your best times.

Works Offline

No internet connection required. Play anywhere, anytime, without needing Wi-Fi or cellular data.

Challenge Yourself

Three difficulty levels using real Sudoku solving techniques

Easy
Singles, Pairs & Triples
Medium
Pointing Pairs, Box-Line & Quads
Hard
X-Wing & Advanced Wings

Your Privacy Matters

Kirei Sudoku collects zero data. No analytics, no tracking, no account required. Everything stays on your device. Period.

Read our Privacy Policy

Ready for Distraction-Free Sudoku?

Download Kirei Sudoku today and experience the difference.

Download on the App Store

Coming soon.