Diadoku
Elegant Daily Logic Puzzles
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Train your logic with Diadoku, a polished puzzle game built around one elegant challenge: place exactly one diamond in every row, column, and colored region.
Think carefully: diamonds may not touch, even diagonally. Every move matters, and three mistakes end the round.
FEATURES
• 600 progressively challenging levels
• 300 Master levels with a fresh board on every try
• A new Daily Puzzle to solve every day
• Daily streaks with bonus hints every 7th day
• Light Mode and a dark default look
• Clear visual rules and an interactive tutorial
• Helpful hints when you get stuck
• Daily rewards that refill your hints
• Track your best time, moves, and three-star results
• Share your solved boards with friends
• Optional reminders to keep your streak alive
• Submit and vote on feature requests inside the app
• Calm, premium-inspired visuals and satisfying feedback
• Play the puzzles offline
Easy to learn, rewarding to master. Take a quiet break, sharpen your deduction skills, and discover the correct place for every diamond.
Ratings & Reviews
• Clearer board colors: deep jewel colors that are much easier to tell apart, now with a ruby red.
• A cleaner board with square cells, just like the board on the home screen.
• Level complete now shows your stars right at the top.
• Light Mode looks better: the cards stand out clearly from the background.
• Notifications are now asked only once.
• Small design improvements and fixes.
The developer, Ogulcan Serbest, 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
Data Linked to You
The following data may be collected and linked to your identity:
- Location
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- User Content
- Identifiers
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Ogulcan Serbest
- Size
- 22.3 MB
- Category
- Puzzle
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and German
- Age Rating
4+
- 4+
- Contains
Advertising
User-Generated Content
- Copyright
- © 2026 Ogulcan Serbest
