Build a cross-platform mobile app with AI, TanStack Start, oRPC, Supabase, and React Native — deployed to Cloudflare
A live cross-platform mobile app (iOS + Android + Web) with an AI-assisted development workflow, server-driven API layer, Supabase backend, and Cloudflare deployment — shipped in about 4–6 weeks.

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Included with every copy
- Your own copy — keep it forever
- Gets better over time — free updates included
- Run it on web and mobile
- Invite a partner to go through it with you — you share the same progress
- The playbook's community — ask questions, get additions, and see how other buyers improve it, right on the step
Who it's for
Full-stack TypeScript developers who have shipped at least one React app and want to build a production mobile app without learning Swift, Kotlin, or a second backend language.
About this playbook
If you're a TypeScript developer who knows React and wants to ship a real mobile app — not a tutorial to-do list — this is the stack that gets you there fastest. You'll build with TanStack Start on the server, oRPC for the type-safe API layer, Supabase for auth and database, Expo React Native for the mobile client, and deploy everything to Cloudflare Workers. Every phase uses Claude Code to accelerate — not replace — the work, from scaffolding to debugging to deployment. I've shipped five apps on this stack and the mistakes I made (misconfigured API base URL that cost a weekend, RLS policies I forgot applied differently server-side) are the warnings in here. Advanced-level. You need TypeScript and React fluency, but nothing mobile-specific coming in.
What you'll do, step by step
Free preview — these steps are open to read in full before you buy.
Phase 1: Scaffold the monorepo and toolchain
0/3Get the skeleton right from day one. A pnpm monorepo with clean package boundaries saves you the rewrite I did halfway through my first project — the web app, mobile app, and shared domain code each live in their own workspace package, and the type-safe API contract lives alongside domain types in the shared package, imported by both apps.
- 15 min
- 30 min
Phase 2: Define and serve the API contract with oRPC
0/3This is the phase that makes the rest of the project fast. oRPC gives you a type-safe contract that both the web SSR renderer and the mobile app import from a single source of truth — no manual API clients, no runtime validation mismatches, no 'the web version works but the mobile response format is different' bugs.
- 1 hour
Phase 3: Build the React Native mobile app with Expo
4 stepsPhase 4: Deploy the API and web app to Cloudflare
3 stepsPhase 5: Automate, monitor, and iterate with AI
3 stepsDetails
What you need first
A laptop with Node 20+, pnpm installed, a Cloudflare account (free tier works), a Supabase account (free tier works), and $20/month for Claude Pro (Claude Code access). Xcode or Android Studio if you want to run the mobile app on a simulator.
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