Trello's whole data model is three nested objects: boards → lists → cards. Everything else decorates that skeleton.

The 2026 stack: React Native + Expo, gesture-handler + reanimated for drag, FlashList for perf, Supabase for realtime, EAS to ship.

The hard parts nobody warns you about: drag-and-drop is a physics problem, card ordering is a distributed-systems problem, and offline-first is a data-model problem.

Traditional MVP: 4–8 weeks and $40k+. AI-generated first prototype: under an hour.

How to Build a Project Management App Like Trello in 2026