Flutter app development: one codebase for iOS, Android and desktop.
Flutter app development from a single codebase: your app runs equally well on iOS, Android, Windows and macOS, and maintenance is paid for once. We take you from first concept to store launch.
New apps
From MVP to finished product, including UI/UX design and store launch.
Existing apps
Feature development, modernisation, bug fixing and support, including code written by others.
Individual workstreams
Project management, design, architecture consulting or a code audit as standalone services.
See for yourself what we build.
Apps we developed ourselves and run in both stores today.
Dictate your list instead of typing
Speak, and the list writes itself: Pauly extracts items and quantities from natural speech. Built from one Flutter codebase for iOS and Android.
What we develop, and why with Flutter.
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A new app from idea to store
Concept, UI/UX design, development, device testing and submission to the App Store and Google Play.
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User flows, wireframes, visual design and a design system come from the same team as the code, so the design lands in the product without friction.
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MVP first, expansion later
The smallest sensible version of your app, measurable from day one.
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The core feature done properly and ready to grow: you invest modestly and expand once the feedback is in.
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Feature development and maintenance
New features, updates for new OS versions, bug fixing and support, including apps another team built.
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If you would rather book capacity than an outcome, our Flutter app developers reinforce your team.
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Migration onto one Flutter codebase
Two native apps or an outdated cross-platform solution move step by step onto Flutter while they keep running.
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Also available as a standalone service: technology choice, architecture, code audit or a second opinion on another vendor's proposal.
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Why Flutter is the foundation
An open-source framework by Google: release builds compile to machine code, and its own rendering engine draws your app identically everywhere.
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iOS, Android, Windows and macOS come from the same project, and updates ship everywhere at once. The basics are on our page What is Flutter.
Is Flutter the right fit?
That is what the first call is for, free of charge. Describe your app idea in a few sentences and you get a technology assessment.
Flutter app development, proven in the store.
Pauly · dictate your shopping list
Pauly, our voice-controlled shopping list app, was built with the process we offer you: MVP first, then data-driven expansion with automatic categorisation, store walking-order sorting and live sharing. One codebase, both stores, in ongoing operation.
Frequently asked questions about Flutter app development.
Can't I just build a Flutter app myself with AI?
For a prototype, yes. For a product that passes App Store review and stays maintainable, rarely. AI generates Dart code without architecture or store compliance. We work AI-assisted ourselves, with the experience of our own store app.
How much does Flutter app development cost?
The feature scope decides: a focused MVP costs far less than an app with a backend, accounts and integrations. iOS and Android come from one codebase. After the first call you receive an itemised estimate.
How long does development take?
Depending on scope, an MVP is often testable within a few weeks; complete apps with a backend and store launch take longer. Hot reload and the shared codebase make Flutter projects faster than separate native builds.
Do you also take over existing Flutter apps?
Yes. We run an audit to map the state and risks of the code and propose a path: careful evolution or refactoring.
When is Flutter not the right choice?
For very deep integration with platform-specific hardware, native code can be the better base; often a native module inside the Flutter app is enough. You get that assessment before the project starts.
Which well-known apps are built with Flutter?
Google Pay, the My BMW App, eBay Motors, Nubank, Alibaba's Xianyu and apps from Toyota, plus our own app Pauly, which you can test yourself.
Ready for the next step?
Describe your project, whether a requirement or a first idea. You get a first assessment, usually within 24 hours.
Start your project.
Briefly describe your idea. We evaluate the most sensible path and get back to you with an assessment.
We usually reply within 24 hours.
Remote and on site in Germany, Austria and Switzerland. International projects on request.