The social Sudoku

SudoKoum: the social, ad-free, pay-once Sudoku.

Challenge your friends, climb the leaderboards, unlock 100 achievements and track your stats. Online with friends, offline solo. On iOS and Android.

Friend challenges 100 achievements Offline play Zero ads 13 languages
App StoreComing soon Google PlayComing soon

Free to try. One single €3.99 purchase unlocks everything, forever. Zero ads, zero subscription.

Sudoku, finally social

Every Sudoku app is built for playing alone. SudoKoum is built for playing with your friends.

Multiplayer

Challenge your friends

Send a challenge, both play the same grid, best score wins. Full history of your duels, live or asynchronous.

Leaderboards

Friend leaderboards per challenge. Every game counts, every win shows.

100 achievements

One of the richest achievement systems on the market. Plenty to play for.

Detailed statistics

Time, success rate, streaks, 3-month progression. Solo and challenges alike.

Zero ads, zero subscription

One single €3.99 purchase unlocks everything, forever. No ads, no hidden fees, no tricks.

Solo too, everywhere

Solo mode works entirely offline. Five difficulty levels, from easy to extreme, with a score that rewards pace and combos.

Easy
Medium
Hard
Expert
Extreme

What no other Sudoku app combines

The big Sudoku apps are 100% solo and live off ads or subscriptions. SudoKoum combines the three things players keep asking for.

SudoKoum Typical free apps Premium solo apps
Friend challenges and leaderboards Yes No No
No ads at all Yes No Yes
No subscription (pay once, forever) Yes Often no Yes
100 achievements and detailed stats Yes Partial Partial

Frequently asked questions

Does SudoKoum have ads?

No. SudoKoum contains no advertising at all, neither in the free version nor in the full version. That is a permanent commitment.

Is SudoKoum free?

Yes. The download is free and lets you play solo and send your first challenges. One single purchase of €3.99 then unlocks every feature, forever.

Does SudoKoum require a subscription?

No. SudoKoum has no subscription. One single purchase of €3.99 gives you everything, forever.

Can you play Sudoku with friends on SudoKoum?

Yes, that is the heart of SudoKoum. Send a challenge to a friend, both play the same grid, and the leaderboard compares your scores. Duel history and friend leaderboards are built in.

Can you play SudoKoum offline?

Yes. Solo mode works entirely without an internet connection.

What platforms is SudoKoum available on?

SudoKoum is coming to iPhone and iPad (App Store) and Android (Google Play).

What does the single €3.99 purchase unlock?

Unlimited challenges with friends, all 100 achievements, detailed statistics and the full level progression. Pay once, keep it for the lifetime of your account.

What languages is SudoKoum available in?

SudoKoum is translated into 13 languages, including English and French.