After building 50+ products, this is the tech stack we recommend to every startup founder.

By David Friedman , Founder of AppBrewers

Your tech stack is a business decision, not just a technical one. The wrong choice costs months. The right choice lets you ship fast and scale without rebuilding. Here is our battle-tested stack for 2026.

Frontend

Web: Next.js 15

App Router for server components

Built-in SEO optimization

Edge deployment on Vercel

React Server Components reduce bundle size

Mobile: React Native + Expo

One codebase for iOS and Android

Over-the-air updates

Push notifications out of the box

EAS Build for CI/CD

Backend

API: Next.js API Routes + tRPC

Type-safe APIs from end to end

No API client generation needed

Automatic input validation

Serverless: Firebase Cloud Functions

Event-driven triggers

Firestore integration

Pay per execution

Database

Primary: PostgreSQL (Supabase or Neon)

Relational data with JSON support

Row Level Security for multi-tenancy

Real-time…