BlueSudoku: Calm Puzzle
Offline logic number game
Free · In‑App Purchases
BlueLogic Sudoku — a clean, minimal Sudoku puzzle experience.
• 5 difficulty levels: Easy, Medium, Hard, Expert, Evil
• Unique solution guarantee for every puzzle
• 9 handcrafted color palettes — Amber, Paper, Sakura and more, with gradient previews
• Light & dark mode, including an AMOLED true-black theme
• Note mode (pencil marks) + smart auto-note cleanup
• Error highlighting (optional) — wrong cells get a clear cross mark
• Hints with undo — free daily quota, watch a short ad for extra
• Sound effects and dedicated game haptics (each can be toggled off)
• Statistics per difficulty + daily streak
• Game Center achievements
• Offline-first — no account needed
No interstitials. No pop-ups. Just one discreet banner at the bottom that you can remove with a single in-app purchase.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
New app icon. Mistake limit while error highlighting is on. Infrastructure and UI improvements.
The developer, Ali Seckin, 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 Linked to You
The following data may be collected and linked to your identity:
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Ali Seckin
- Size
- 36 MB
- Category
- Puzzle
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Remove Ads $2.99
- Copyright
- © 2026 BlueLogic Software

