Free
In-App PurchasesWith Ads
Rating summary
About
Sudoku, but you are not solving alone.
Get matched in seconds and race through the same grid as your opponent. Their progress bar sits right next to yours — finish first and take the rating points.
ONLINE DUELS
• Fast 1v1 matches against opponents near your level
• A rating that actually moves: win and you climb
• Leagues from Bronze to Master
• Add friends and challenge them directly
PUZZLES FOR EVERY MOOD
• Four grid sizes: 4x4, 6x6, 9x9 and 16x16
• Four difficulties, from Easy to Extreme
• Daily Challenge with a streak counter
• Thousands of puzzles across every size and difficulty
BUILT FOR COMFORTABLE PLAY
• Pencil notes, unlimited undo and smart hints
• Highlight the active row, column and box
• Duplicate warnings, so mistakes surface early
• Four themes, including a night mode that is easy on the eyes
• Auto-save: close mid-puzzle and return exactly where you stopped
YOUR PROGRESS, EVERYWHERE
Sign in once and your rating, achievements, statistics and unfinished games follow you to any device.
ACHIEVEMENTS
Ten categories to complete, synced with Game Center.
PREMIUM
An optional subscription removes the ads and unlocks 16x16 grids and Extreme difficulty. The classic game stays free.
Available in 14 languages.
Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your Apple Account settings.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://12720403.tilda.ws/privacy_policy
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What's New in Sudoku Online
1.1.13
October 4, 2026
3
Subscriptions & In-App Purchases
Premium Weekly
16x16 grids, Extreme level, no ads
$5.007 Days










