

Available on Android and iOS
Znalica
A cross-platform quiz game with solo play, asynchronous challenges, 1v1 duels, live competition features and a complete monetization system.
Mobile app development
I build Android & iOS apps with a clear revenue model — subscriptions, in-app purchases or ads.



Znalica is the clearest proof of how product thinking, engineering and ongoing development come together in one released mobile product.


Available on Android and iOS
A cross-platform quiz game with solo play, asynchronous challenges, 1v1 duels, live competition features and a complete monetization system.
Focused product ownership for new applications and existing codebases that need a reliable next phase.
Android, iOS and Kotlin Multiplatform apps, shared product logic and coordinated store releases.
Existing app takeover, Compose migration, stability, performance and maintainable architecture.
Authentication, real-time features, notifications, analytics, ads and in-app purchases.

Founder / Product Engineer
I’ve been building apps, games and websites for over 10 years. I’ve worked with international teams and built my own products, including Znalica for Android and iOS. I like things to be clear, easy to use and work properly.
You talk directly with me, and I work on your project from the first idea to launch and later updates.
10+ yearsbuilding software
Own productsfrom idea to release
Direct collaborationwithout intermediaries
Complete deliverydevelopment and maintenance
30 minutes · Online · No obligation
30 minutes · Online · No obligation
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