Building AI apps · Vienna, Austria
I build. Then I explain.
I am Bernhard: solo developer, AI builder, and founder of three live products from Vienna. I build AI apps that work in the real world every day, and I show you the method behind them, step by step: let the agent build, verify the result, repeat.
Build in public
What I build
Not a marketing promise, but the method I use every day on real products that are live now. Not the fastest prototype, but one that holds up.
BuchhaltGenie
LiveAI bookkeeping for sole proprietors in Austria. Photograph a receipt, AI posts it, FinanzOnline export included.
Next.js · Supabase · Stripe
(opens in new tab)WalkAITalkie
Mac App StorePush-to-talk dictation for Mac. Speak, release, get clean text. Fully on-device and 100% private.
Swift · WhisperKit · MLX
(opens in new tab)EventDrop
LiveScan a QR code and share event photos. All guests, one album, no app, no login. GDPR-compliant.
Next.js · Made in Austria
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- 1st place, BitGN Hackathon Vienna. Solo, 3 hours on site
- 100+ AI prototypes · own agentic tools in daily use
The method loop
The method
AI tools are very good at making something look like it works. They are much worse at telling you what will fall apart in production. Verification is the step most people skip. That is exactly the difference between a demo and an app you can trust.
Why trust this
I do not sell anything here that I do not use every day myself.
10+ years in IT, now deeply focused on AI. AI literacy under EU AI Act Article 4 (ki-fit.at). More than one hundred prototypes and my own agentic tools in daily use.
A security analysis of quickly built apps shows how large the gap is: many critical vulnerabilities. Source: escape.tech(opens in new tab)
A reusable method matters more than a fast demo.
Explore the method
The free handout walks you through the first complete method loop, with a real example and no prior knowledge required.