👋 Introduction

Everything you need to know to get started with T4, a Type-Safe, Full-Stack Starter Kit for React Native + Web.

👉 View the App Demo (opens in a new tab)

📖 Background

T4 is a project starter kit for building type-safe, native & web applications in TypeScript using Tamagui, tRPC, and Turborepo. Deploy to Cloudflare for a global edge network. All at a fraction of the cost of AWS, Vercel, or Azure.

It provides a unified, opinionated, & minimalistic setup for quickly getting started with building native & web apps, using the same code, without having to worry about the complexities of setting up a development environment.

💪 Build Apps for All Platforms

• 📱 iOS
• 🤖 Android
• 🕸️ Web
  • Progressive Web App (PWA) support
  • 💻 macOS
  • 🪟 Windows
  • 🐧 Linux

Build native apps for iOS, Android, macOS, Windows, and Linux using the same codebase.

Never worry about using XCode or Android Studio again.

❓ Why T4?

• Small learning curve
• Instant feedback, rapid development
• Universal across React Native & React Web
  • Data fetching (opens in a new tab)
  • Styling (opens in a new tab)
  • Authentication (opens in a new tab)
  • Navigation (opens in a new tab)
• High code re-use
• Low bundle size
• Edge compatible
• Fast startup time
• Simple setup
• Allows for platform-specific code when needed.
• Type-safety

📦 What's Included

• Tamagui (opens in a new tab) - A UI kit for building beautiful and responsive user interfaces.
• Turborepo (opens in a new tab) - A high performance build system for TypeScript, built in Rust.
• tRPC (opens in a new tab) - A TypeScript framework for building end-to-end typesafe APIs.
• TypeScript (opens in a new tab) - A typed superset of JavaScript that compiles to plain JavaScript.

✨ Features

• ✅ Tamagui UI kit across all platforms.
• ✅ PNPM support
• ✅ Million.js Support
• ✅ Supabase Auth
• ✅ Uses Next.js for building web apps.
• ✅ Uses Expo for building native mobile apps.
• ✅ PWA by default for native desktop support. No Electron required.
• ✅ Uses Cloudflare Workers for serverless functions.
• ✅ No Docker containers required.
• ✅ Uses tRPC & Tanstack Query for fetching & caching across all platforms.
• ✅ Authentication across all platforms.
• ✅ Powered by TypeScript for type safety and better developer experience.
• ✅ Comes with pre-configured ESLint and Prettier for code consistency.
• ✅ Github Action publishing for Expo apps
• ✅ Database migration in CI/CD
• ✅ Tauri Support

💬 Community

For help, discussion about best practices, or any other conversation that would benefit create-t4-app:

Join the T4 Discord Server (opens in a new tab)

🫶 Contributors

We welcome contributions from anyone and everyone. Please read our contributing guidelines (opens in a new tab) for more information on how to get started.

👏 Special Thanks

• Cloudflare Developers (opens in a new tab)
• Yusuke Wada (opens in a new tab) - Creator of Hono.js
• Nate Birdman (opens in a new tab) - Creator of Tamagui
• Fernando Rojo (opens in a new tab) - Creator of Solito
• Tanner Linsley (opens in a new tab) - Creator of TanStack
• Daishi Kato (opens in a new tab) Creator of Jotai
• Shopify Developers (opens in a new tab)
• Drizzle Developers (opens in a new tab)
• Tim Neutkens (opens in a new tab) - Co-author of Next.js
• Jared Palmer (opens in a new tab) - Creator of Turborepo
• Expo Developers (opens in a new tab) - Office hours

⚖️ License

Create T4 App is licensed under the MIT License (opens in a new tab).