
Best mobile app development in Poland: agency, freelancer or senior studio?
Agency, freelancer or a senior one-person studio: red flags, questions to ask, and what each option costs.
Blog · articles in English
Costs, hourly rates and trade-offs from my work as an engineer building web platforms and native iOS and Android apps in Gliwice, Poland. Every article comes with sources and examples from my own projects, such as Turlo.

Agency, freelancer or a senior one-person studio: red flags, questions to ask, and what each option costs.

Rates, time zones, EU law and delivery risk compared side by side, including cases where another country fits better.

SwiftUI in practice on Turlo’s iOS app, what App Store review checks, and what an iOS build costs.

What building Turlo 2.0 taught me: native SwiftUI and Compose, LLM features inside the product, and one set of strings for 16 languages.

Budgets from my own builds, dated hourly rates, and an MVP compared with a full product in EUR and PLN.
Next step
I reply within one business hour. My projects start with a proof of concept on your real data: PLN 10,000–25,000 net (about €2,300–5,700), 2–4 weeks.