Extern AI launches a full-stack app builder that generates production-ready code from natural-language prompts in real-time.

Extern AI offers an AI-powered app builder that transforms text descriptions into working full-stack applications with live preview and one-click deployment to Vercel, Netlify, or custom domains.

Generated code ships with production-grade, responsive UI design and is framework-aware and readable; users can export the codebase directly to GitHub or iterate with simple feedback.

The service is free on signup with no credit card required and claims to deliver a working app in under 60 seconds, with no configuration, boilerplate, or deployment setup needed.