Founder & Software Developer
Building thoughtful digital products
Independent software studio focused on mobile and web applications that solve real problems.
About
Patryk Iwasieczko
I'm Patryk Iwasieczko, an independent developer building commercial software products under Ars Cras. My focus is on practical tools that are simple to use and reliable in production.
This site showcases my active and upcoming projects. Each product is designed, developed, and maintained end-to-end — from initial concept through release and ongoing updates.
Focus areas
- Mobile app development (Android & cross-platform)
- Web applications with modern React stacks
- End-to-end product design and delivery
- Privacy-first, maintainable architecture
PolandGoogle Play: Jordi_Jor
Commercial Projects
Mobile apps I'm building and maintaining. Tap a project to learn more.
Flowbit
In developmentCustom interval timers for the gym, stretching routines, and any work that runs in repeating cycles.
AndroidTimersFitness
No weź zgadnij
In developmentA party guessing game where vague clues, wild interpretations, and group chaos make every round unpredictable.
AndroidParty gameMultiplayer
Contact
Have a question about my products or want to get in touch? Send me an email — I typically respond within a few business days.