A calm, ad-free home for every kind of Sudoku. Classic and Killer puzzles, five levels, a fresh daily challenge, and hints that actually teach you.
This app is no longer available to download. If you already have it, support and privacy information is below.
Why Sudoku Calm
- No ads, ever. No pop-ups between puzzles, no banners, no interruptions.
- Classic and Killer Sudoku across Easy, Medium, Hard, Expert and Evil.
- Hints that teach the technique behind every move, from naked singles to X-Wing.
- Built to be readable with Large Print and a high-contrast Comfort mode.
- Fully offline. No account, no tracking, nothing to load.
Pricing
Play free, forever: Classic Easy, Medium and Hard plus a daily challenge. Unlock Killer Sudoku, Expert and Evil levels, every theme and unlimited hints with:
- Lifetime Unlock – one-time purchase, best value
- Annual or Weekly subscription (3-day free trial on weekly)
Questions?
See Support or email info@appharbour.com.