Engineering & shipping notes
65 essays on AI app generation, multi-agent pipelines, deployment and the engineering decisions behind VULK.
64 articles
tutorial· 17 min readHow to Build an Apple-Style Scroll Website with AI: The Complete Guide (2026)
The definitive guide to Apple-style scroll websites in 2026 — pinned heroes, scroll-scrubbed video, canvas image sequences, GSAP ScrollTrigg…
Jul 18, 2026
João Castro
backend· 15 min readAI Apps with a Real Backend & Database: The Complete Guide (2026)
The definitive guide to building AI-generated apps with a real backend in 2026 — PostgreSQL, auth, REST APIs vs mock data, how automatic bac…
Jul 17, 2026João Castro
roundup· 11 min readThe 6 Best 3D Website Builders in 2026 (Spline, Womp, Vectary, VULK & More)
We compared six ways to put real-time 3D on a website in 2026 — Spline, Framer + Spline embeds, Womp, Vectary, Unicorn Studio, and VULK. Pri…
Jul 17, 2026João Castro
mobile· 12 min readThe 6 Best AI Mobile App Builders in 2026 (Prompt to App Store)
We compared six mobile app builders — VULK, FlutterFlow, Draftbit, Adalo, Glide, and Natively — on what actually ships to the App Store and…
Jul 17, 2026João Castro
backend· 12 min readThe 6 Best Full-Stack AI App Builders in 2026 (Real Backends Compared)
Which AI app builders generate a real backend — database, auth, APIs — and which are frontend tools with integrations? VULK, Lovable, Bolt,…
Jul 17, 2026João Castro
ai· 13 min readThe 8 Best Vibe Coding Tools in 2026 (IDEs, Agents & App Builders)
Cursor, Windsurf, Claude Code, Lovable, Bolt, v0, Replit, and VULK compared — which vibe coding tool fits developers, designers, and non-cod…
Jul 17, 2026João Castro
tutorial· 16 min readHow to Build a 3D Website with AI: The Complete Guide (2026)
The definitive guide to building 3D websites with AI in 2026 — prompt-to-Three.js workflow, React Three Fiber, GLSL shaders, 8 copy-paste pr…
Jul 17, 2026João Castro
mobile· 15 min readFrom Prompt to App Store: The Complete AI Flutter App Guide (2026)
The definitive guide to building a mobile app from a prompt and shipping it to the App Store and Google Play in 2026 — AI Flutter generation…
Jul 17, 2026João Castro
ai· 9 min readFeaturedState of AI App Building 2026: Data from 11,355 Generated Apps
Original research from 11,355 AI-generated projects, 124,755 code files, and 80,189 chat messages on VULK: what people actually build, how m…
Jul 17, 2026João Castro
