How much does it cost to build a mobile app?

AgüíTech projects start from €6,000. Full apps typically range from €8,000 to €20,000.

Do you build for both iOS and Android?

Yes. Flutter — one codebase, native on both platforms.

How long does it take?

6–14 weeks from design to App Store launch.

Mobile app development in the UK: what businesses should know

The UK app market has more options than it first appears

A UK business looking to build an app typically finds three paths: a large agency, an individual freelancer, or a small, direct development team. Each comes with real trade-offs in cost, speed and communication.

Agency, freelancer, or small direct team?

Agencies

Larger agencies offer broad capacity and account management, but costs are higher and the business rarely speaks directly to the developer actually writing the code.

Freelancers

Freelancers can be cost-effective, but capacity is limited to one person, and continuity risk is higher if they become unavailable.

Small, direct teams

A small team working directly with the client sits between the two: enough capacity to build and maintain a real product, with the business still speaking directly to the people doing the work.

What UK businesses typically need to plan for

Realistic cost ranges

A straightforward business app in the UK commonly starts in the £5,000–£15,000 range, with more complex products — multiple integrations, admin panels, payments — going higher.

App Store and Play Store requirements

Apple and Google both have review processes, developer accounts and ongoing compliance requirements that should be planned for from the start, not left until launch.

GDPR and UK data protection

Any app handling customer data needs to be built with UK GDPR requirements in mind from day one, not retrofitted afterwards.

Ongoing maintenance

An app is not a one-off purchase. Operating system updates, bug fixes and feature changes require an ongoing relationship with whoever built it.

Where AgüíTech fits in

AgüíTech works as a small, direct team based between the Liverpool/Ormskirk area and Madrid, serving UK businesses without the overhead of a large agency or the single-point-of-failure risk of a lone freelancer.

Choose the structure that fits the product, not just the price

The cheapest quote and the best long-term outcome are not always the same thing. What matters is whether the team can actually build, launch and support the product over time.

Talk to AgüíTech about your UK app project →

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