# timothymiller/t4-app

Full stack meta-framework for building iOS, Android, and Progressive Web Apps with Tamagui and deploying to Cloudflare.

Repository: https://github.com/timothymiller/t4-app
Canonical: https://ross.abutalabs.com/products/t4-app
Homepage: https://t4stack.com
Language: TypeScript
License: MIT
License Family: permissive
Topics: tamagui, trpc, typescript, cli, cloudflare, nextjs, react, react-native, react-native-web, serverless, ui, create-t4-app, t4-stack, drizzle, honojs, supabase-auth, expo-router, bun, millionjs, tanstack
Last push: 2024-07-15T17:15:36+00:00

## Health v2 (maintenance only)
Score: 30/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 0, release rhythm 35, longevity 87
- inputs: {"age_days": 1225, "days_push": 779, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1720, forks 95 (observed 2026-08-28T04:05:26.712228+00:00)

## What it is
T4 App (create-t4-app) is a full-stack meta-framework and interactive CLI for building universal iOS, Android, and Progressive Web Apps using Expo, Next.js, and Tamagui. It bundles a typesafe stack (tRPC, Drizzle, Hono, Supabase Auth) and deploys to Cloudflare's edge platform.

## Use cases
- scaffold a full-stack typesafe react native and web app
- build an ios android and pwa app from one codebase
- deploy a next.js and expo app to cloudflare workers edge
- share ui components between react native and web with tamagui
- set up trpc drizzle and supabase auth in a new app
- create a cross-platform app with bun and expo router
- build a low-cost serverless app on cloudflare with r2 and d1

## When to choose
- you want one typescript codebase targeting ios, android, and web
- you prefer cloudflare edge deployment over vercel
- you want a curated, performance-optimized react native + next.js stack
- you value fast installs and quick backend deployments

## When to avoid
- you need a mature, battle-tested framework with large ecosystem
- you don't want cloudflare or bun lock-in
- you're building a simple web-only site without native apps
- you need heavy customization outside the T4 stack choices

## Facets
- artifact type: framework
- maturity: active
- function: web-framework, mobile-framework, ui-components, orm, auth, rpc, cli, ssr, state-management, form-handling
- domain: web-development, mobile-development, frontend, backend, cross-platform, developer-tools, cloud-computing
- platform: cloud, bun, cross-platform, cli
- tags: t4-stack, tamagui, expo, nextjs, trpc, drizzle, hono, cloudflare-workers, supabase-auth, universal-app, starter-kit, create-t4-app, react-native-web, edge-deployment, ios, android, web-server, nodejs

## Member repositories
- timothymiller/t4-app (main) score 30

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:05:26.712228+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T03:34:05.795704+00:00, confidence not recorded.
  - readme: https://github.com/timothymiller/t4-app (fetched 2026-08-28T04:05:26.712228+00:00, sha 5638489f06d4)
  - homepage: https://t4stack.com (fetched 2026-08-29T11:10:17.064679+00:00, sha 39f4cb11c7b6)
- Data as of 2026-08-30T08:39:29.467469+00:00.