“Number one for design, Figma… Number two when it comes to building, what I would recommend is that you build in React Native with the Expo framework using Cursor as your IDE.”

The minimum viable indie-app stack: Figma, React Native Expo, Cursor

A first-principles stack for solo builders: Figma for design with reference apps, React Native + Expo for cross-platform build, and Cursor as the AI-assisted IDE. Pair with CapCut for content and one person can ship and market an app alone.