Indie Developer Lab · Osman Veli Koç
OVKO Labs
Open Vision. Key Output.
Build. Explore. Iterate.
"OVKO Labs is the independent developer workbench and mobile app portfolio of Osman Veli Koç. Focused on building intuitive mobile utilities, trivia games, and lightweight digital experiments."
Current Projects
Mobile applications and utilities handcrafted and published on Google Play.
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Only Flags
World Flag Quiz
A fast, distraction-free trivia game to test your knowledge of world flags.
World Flags Collection
Quiz Gameplay Modes
Global Leaderboards
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Sound Meter
Real-Time Sound Level Measurement
A simple, distraction-free utility for measuring ambient sound levels in real time.
Real-Time Sound Measurement
Clean Utility Aesthetic
100% On-Device Processing
Google Play Developer
Get the Apps on Google Play
Download and try out the mobile applications built by Osman Veli Koç directly on Google Play.
Available onGoogle Play Store →