EN · Français

Build a web app

Short answer: we build production web applications — SaaS, dashboards, marketplaces — in Next.js. Not brochure sites. Auth, database, payments, deploy. Fixed price from $3,460. 21 days when the loop is tight.

Scope your web app →

What’s included

→ Next.js App Router (SEO pages + logged-in app)
→ Auth, roles, Postgres (usually Supabase + RLS)
→ Stripe when you charge
→ Production deploy (typically Vercel)
→ 100% GitHub ownership + 2-week fixes

Step-by-step: how to build a web app. Agency page: web app development agency. Next.js-specific: Next.js agency.

How do I build a web app fast?

Scope one loop, use Next.js + Postgres, skip microservices. We ship scoped web MVPs in 15–21 days from $3,460.

Web app or mobile app first?

Web if users are at a desk or you need SEO. Mobile if you need stores, camera, or push. See build a mobile app.