About
Experience classic Sudoku with a paper-like feel and strategic hints. Challenge friends on identical puzzles, track your progress, and compete on daily leaderboards. Learn expert techniques as you play.
What's New in Dokku
1.1.5
August 19, 2026
- Fixed an issue where the "watch a video for free hints" button could fail to load an ad. Ads should now load reliably every time you open the app. - Expanded the XP leaderboard to show more players.
MoreIn-App Purchases
$2.99
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FAQ
Does Dokku have ads?
Yes, Dokku contains advertisements. Ads appear only in menus and never during a puzzle. Your first three games are always ad-free.
How do I remove ads in Dokku?
You can remove ads forever in Dokku with a one-time purchase of $2.99. This purchase is not a subscription and removes all advertisements permanently.
Can I play Dokku offline?
The description does not specify if Dokku supports offline play. However, features like daily puzzles and leaderboards suggest an internet connection may be required for full functionality.
What are the difficulty levels in Dokku?
Dokku offers six difficulty levels: Beginner, Easy, Medium, Hard, Expert, and Evil. This allows players of all skill levels to find a suitable challenge.
How does Dokku's multiplayer work?
You can challenge friends by sending them a link to play the exact same puzzle. Each player uses their own timer, and results can be compared side-by-side upon completion.
What kind of hints does Dokku provide?
Dokku's hints use real Sudoku techniques, such as Naked Singles and Hidden Singles, not guesses. Every hint explains the logic in plain English, helping you learn expert strategies.
How often is Dokku updated?
The latest version of Dokku was released on August 10, 2026, with version 1.1.4. The app was initially released on July 31, 2026, indicating relatively frequent updates early in its lifecycle.
What devices does Dokku support?
Dokku is supported on iPhone and iPad devices. It is rated for users aged 12 and older.