Sereno Sudoku: Offline Classic
Killer, nonogram, big digits
Only for iPhone
Free · In‑App Purchases
iPhone
Sereno Sudoku is sudoku built for playing without rushing: large, clear digits, a clean design, and nothing to distract you from the board. It is now three logic games in one app: Sudoku, Killer Sudoku and Nonogram.
• Classic Sudoku in three difficulties, easy to hard, always with a unique solution
• New: Killer Sudoku, the one with sums. Three levels with 120 puzzles each, every one with a verified unique solution and no given digits, the way the genre is meant to be. Included, no purchase needed, with its own "How to play" guide
• Nonograms (picross): pictures you uncover with logic, with large numbers
• Daily Sudoku challenge with a monthly calendar and streak. Play today's or catch up on any day you missed
• Notes with automatic clean-up and unlimited undo. In Sudoku, hints show you the technique instead of just filling the cell
• Number-first mode: pick a digit, then tap the cells where it goes
• Row, column, box and matching-digit highlighting so you can read the board at a glance
• Three themes: light, sepia and dark. Adjustable digit size
• Optional original music, relaxing and unobtrusive
• No lives, no energy, no waiting. No forced ads mid-game: the only ad that shows up on its own comes after you finish, and videos for an extra hint are always your choice
• In English, Spanish, Portuguese, French, German and Italian
• Works completely offline, no account needed
Premium (optional, one-time purchase) gives unlimited hints, unlocks the dark theme and removes ads. Family Sharing supported: buy it once and share it with your family.
A game by Vossen.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
New: choose how the board looks. A traditional grid with its lines, just like sudoku on paper, or tiles. It applies to Sudoku and Killer, and you can switch any time in Settings → Game.
The developer, RAFAEL DAVID DEVOS CEREZO, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- RAFAEL DAVID DEVOS CEREZO
- Size
- 111.8 MB
- Category
- Puzzle
- Compatibility
Requires iOS 17.0 or later and a device with the A12 Bionic chip or later.
- iPhone
Requires iOS 17.0 or later and a device with the A12 Bionic chip or later.
• iPhone XS
• iPhone XS Max
• iPhone XR
• iPhone 11
• iPhone 11 Pro
• iPhone 11 Pro Max
• iPhone SE (2nd generation)
• iPhone 12 mini
• iPhone 12
• iPhone 12 Pro
• iPhone 12 Pro Max
• iPhone 13 Pro
• iPhone 13 Pro Max
• iPhone 13 mini
• iPhone 13
• iPhone SE (3rd generation)
• iPhone 14
• iPhone 14 Plus
• iPhone 14 Pro
• iPhone 14 Pro Max
• iPhone 15
• iPhone 15 Plus
• iPhone 15 Pro
• iPhone 15 Pro Max
• iPhone 16
• iPhone 16 Plus
• iPhone 16 Pro
• iPhone 16 Pro Max
• iPhone 16e
• iPhone 17 Pro
• iPhone 17 Pro Max
• iPhone 17
• iPhone Air
• iPhone 17e
• iPhone 18 Pro
• iPhone 18 Pro Max
• iPhone Duo
- iPhone
- Languages
English and 5 more
- English, French, German, Italian, Portuguese, Spanish
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Premium $5.99
- Copyright
- © 2026 Vossen

