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Flutter App Development: Cross-platform iOS and Android with one codebase

We build cross-platform mobile apps with Flutter – fast development, native feel and one team for both platforms.

Flutter App Development

Why Flutter for your app

With Flutter we build for iOS and Android from one codebase. That cuts time and cost and still feels native. We use Flutter for most cross-platform work: strong performance, rich widgets, good ecosystem. From MVP to full production apps with complex UI and backend – we deliver on time and to a high standard.

  • Single codebase for iOS and Android
  • Native performance and UI
  • Fast iteration and hot reload
  • Backend and API integration
  • App Store and Play Store release

Why we use Flutter for cross-platform apps

Flutter lets us build iOS and Android apps from one codebase with native performance and a consistent, modern UI. Development is faster than maintaining two native codebases, and hot reload speeds up iteration so you see changes quickly. We use Flutter for most cross-platform projects: from MVPs and internal tools to full production apps with complex forms, offline support and backend integration. Our team has delivered 70+ Flutter apps; we know the framework, the ecosystem and how to structure projects for long-term maintainability. We integrate with your existing APIs, authentication and backend services and support App Store and Play Store submission so you can go live without extra agencies.

If you need a mobile app that works on both iOS and Android with one team and one codebase, Flutter is an excellent choice. We scope the project with you, build in agile sprints with regular demos and deliver production-ready code with tests and documentation. After launch we offer maintenance, updates and new features so your app stays current. Get in touch for a free consultation – we discuss your idea, technical requirements and timeline and outline a realistic scope and quote.

Discuss your project

Frequently Asked Questions

Flutter App Development

Flutter vs. Native & Costs

When is Flutter better than native?

When you want one codebase for iOS and Android and do not need platform-specific features in the core flow. Flutter suits most business and product apps and speeds up delivery.

How much does a Flutter app cost?

Costs depend on scope and integrations; an MVP often in the mid five figures. We give a transparent quote after discussing your idea and requirements.

How long does Flutter development take?

An MVP often 3–6 months; more complex apps 6–12 months. One codebase for both platforms saves time compared to two native projects.

Do you offer maintenance?

Yes. We offer maintenance contracts including updates for new OS and Flutter versions so your app stays stable and compliant with store policies.

Björn Groenewold – Geschäftsführer Groenewold IT Solutions

Discuss your Flutter app

We give a transparent quote after discussing your requirements.

Book a call

Your Next Step

Tell us briefly what you have in mind.

We'll get back to you within 48 hours with an initial assessment – free and without obligation.

30 min strategy call – 100% free & non-binding