Guides
Guides for founders with an app built with AI
Practical articles about security, Supabase, launching, maintenance costs and custom software, without jargon.
Is your Lovable, Bolt or v0 app secure? 10 things to check
Your app works and your first customers are logging in. But is it secure? These ten checks show where AI-built apps leak most often, and what to do about it.
Read the guideSupabase Row Level Security explained for founders
If your app runs on Supabase, Row Level Security decides who may see which data. Here is how it works in plain language, how to check that it is set up right and which mistakes you want to avoid.
Read the guideLaunching your AI-built app: a checklist for hosting, backups and monitoring
What to sort out before real users rely on your app: your own accounts, separate environments, backups that work, monitoring, email that arrives and GDPR.
Read the guideVibe coding: when do you need a real developer?
Vibe coding gets you from idea to working app fast. Here is when you need a developer alongside it, what they actually do and how to hand your app over.
Read the guideWhat does web app maintenance cost in 2026?
What you pay for every month once your web app is live, what pushes the price up or down and what to check before you sign a maintenance contract.
Read the guideHaving custom SaaS built: costs, timelines and pitfalls
What a first version should contain, what drives the price, how a good project runs and which mistakes cost you money and time along the way.
Read the guide
Know where your app stands within 5 working days
With the App Check you get a clear report on security, database, hosting and backups for €600. If you take a maintenance plan afterwards, I credit the €600 in full.
- Fixed price
- Plain-language report
- Within 5 working days