Notes on building and shipping apps
I write about what I actually do: React Native, indie SaaS, app marketing and wrestling with the App Store. No theory, no sponsored recommendations.
“It's all AI slop.” The dogma against using AI, and what the data says
The “AI slop” label and the “just don't use it” advice come almost exclusively from people who never opened it themselves and are repeating what they heard on the news. Two large studies show when AI genuinely harms learning and when it doubles what a student takes away.
AI writes code, not products: what was left for me once agents took over the typing
Agents write most of the code in my apps now. The speedup is several-fold, but it shows up somewhere studies do not look — and what was left for me did not shrink.
What to charge: hourly rates for senior React and frontend contractors in Czechia
Realistic rate bands for senior React / React Native / full-stack contractors in Czechia, how a direct client differs from an agency, and how to make the case for a raise.
How to officially skip the 12 testers for 14 days on Google Play
The closed testing rule only applies to personal accounts. With a registered business and a D-U-N-S number you publish straight to production — the steps, the numbers and the pitfalls.
From Next.js to Astro: when a static site needs no SPA
A portfolio built as a client-side app indexes badly. Notes from the migration, the general advice, and what the switch gave me.
Offline-first in React Native: an app with no backend
Keeping data on the phone saves both running costs and GDPR trouble. What is recommended for offline-first, and where I got it wrong myself.
ASO on a small market: what I have read up on and what I am testing
Title, screenshots and localisation in a store listing — the advice that makes sense, plus notes from my own beginnings.