How long does a web app MVP take to build?

A web app MVP typically takes 10 days to build if you're working with a team that knows how to ship fast. That's the standard timeline at fivedaylaunch.com for their web app tier ($2,499), which includes AI-assisted development with human review and full code ownership.

The actual speed depends on three factors: scope clarity, design complexity, and backend requirements. A straightforward CRUD app with basic authentication can ship in 10 days. If you need real-time features, payment processing, or complex data relationships, you might need 15-21 days. Anything requiring custom integrations, machine learning, or heavily customized UX starts as a custom build with longer timelines.

What 10 days actually includes

You get a deployed, functional product — not a prototype. That means:

The speed comes from AI doing the scaffolding and boilerplate work while humans handle architecture decisions and quality gates. You skip weeks of setup, planning paralysis, and debug cycles.

Timeline expectations for your MVP

Start by defining your core flow: what does the user do in their first session? If that takes 10 days and works, you've validated the idea cheaply. Then you can add features incrementally through the Care Plan ($199/mo for monthly AEO refresh + 1 hour custom dev) or Growth Plan ($499/mo for ongoing feature work).

Most founders underestimate how much validation happens in those first 10 days. You'll learn what users actually need versus what you thought they needed. Better to ship a tight MVP in two weeks than spend three months building features nobody wants.

If your MVP needs more than basic features, ask for a custom build estimate. If it's straightforward, the 10-day web app tier is designed for exactly this moment.

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