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.

6–14 weeks from design to App Store launch.

Getting an application onto the App Store and Google Play is a major milestone.

But software lives in a changing environment.

Operating systems update. Libraries change. APIs evolve. Customers report bugs. Businesses request new features.

That is why mobile app maintenance should be planned before launch.

Real users inevitably find edge cases that were not visible during development.

Apple and Google regularly release new platform versions. Apps need to remain compatible and comply with current store requirements.

Frameworks and libraries receive security fixes, improvements and breaking changes.

Authentication, APIs, databases and third-party services should be monitored and updated appropriately.

Once customers use the product, the business often discovers opportunities for improvements.

Flutter reduces duplicated development between iOS and Android, but it does not eliminate maintenance.

The Flutter framework, plugins, operating systems and store requirements all evolve.

A healthy application should therefore have a plan for upgrades.

Good maintenance is proactive.

The aim is to keep the product stable while making targeted improvements when there is a clear business reason.

A monthly support plan can make these changes predictable rather than turning every update into an emergency project.

We can continue supporting applications after publication with maintenance, updates and new development.

The client retains the source code and credentials, while we can provide the technical support needed to keep the product healthy.

AgüíTech — mobile app maintenance — Flutter maintenance — iOS Android updates — app support — software maintenance Madrid.

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