How much does a Base44 app cost?

If you're sizing up a Base44 build, the honest answer is: it depends on scope — but because Base44 collapses the manual labour, prices land well below a traditional agency. Here's what you can actually expect in 2026.

The three tiers

Marketing Site — from £299 A one-page, SEO-optimised site that ranks and captures leads. Custom domain, FAQ schema, lead form, shipped in days. If you need to exist online and convert visitors, this is the floor.

Full App — from £699 A production app with auth, user roles, a database, integrations and automations — and it compiles to iOS and Android from the same codebase. 1–2 week turnaround.

AI Agent — from £499 An autonomous copilot over your data and workflows, with tool and entity permissions, channel deployment and workflow automation. Usually within a week.

Why the prices are fixed

Traditional agencies bill for weeks of manual developer time. A Base44 architect directs an AI superagent that scaffolds, writes boilerplate and models data at machine speed — you pay for a specialist's direction and review, not hours of grunt work. Fixed prices mean no surprise invoices.

What changes the price

Scope moves the number. A marketing site with ten sub-pages costs more than one page. An app with complex integrations costs more than a CRUD tool. The deposit-and-balance model (50% up front, balance on delivery) keeps it predictable, and scope changes are quoted up front.

What you're really paying for

One accountable operator who designs, builds, reviews and ships — not a rotating cast of juniors. You get a production app, site or agent delivered in days, at a fixed price, by a Base44 platform partner.

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Ready to scope your build? Send a brief and you'll get a fixed price and a build plan back within 24 hours.