Bugs fixed once, not twice

LEAN Evolution: Cross-Platform App Development

One App, All Platforms

Three teams, three codebases, three times as many bugs – each platform brings its own peculiarities, its own edge cases, its own problems. The solution: Cross-Platform Apps with Flutter - one codebase, native performance on all platforms.

What is it about?

For companies that need an app for iOS, Android, and Web – without triple the budget, without three teams. For products that need to go to market quickly and want to guarantee feature parity across all platforms.

Your Benefit:

  • 100% Feature Parity ↑
  • approx. -40% Time-to-Market ↓
  • up to -50% Development Costs ↓


Do you know?

What does this bring you?

One codebase for iOS, Android, and Web

Features are built once and run on all platforms. No follow-up, no "coming in the next sprint for the other platform".

Native performance without native effort

Flutter compiles to native code. Smooth animations, fast loading times, platform-specific look & feel – without three separate development streams.

Faster to Market

One team, one release cycle. Features go live simultaneously on iOS, Android, and Web. You not only save on the eliminated coordination meetings. Time-to-market is significantly reduced compared to three native teams.

One team instead of three

Flutter developers cover all platforms. Less coordination effort, simpler recruiting, lower personnel costs.

riverpod.svg GraphQL flutter.png Firebase.png REST.jpg supabase.png bloc.png dart-logo-for-shares.png
riverpod.svg, GraphQL, flutter.png, Firebase.png, REST.jpg, supabase.png, bloc.png, dart-logo-for-shares.png

Pilot Phase

Deliver first, then commit. That's what the pilot is for.

  • Duration

    4-12 weeks

  • Assessment

    What core features does the app have? Which platforms (iOS, Android, Web) are relevant? What backend connections are needed? What platform-specific requirements (camera, push, offline) are there?

  • Derived from this

    Feature scope, architecture, backend strategy

Deliverables

  • Implementation of up to 3 screens

    with navigation and state management

  • Up to 3 dynamic functions

    e.g. form, list, filtering, detail view

  • Backend connection optionally standalone

    simplified setup of auth and database with up to 3 tables or connection of up to 3 endpoints of an existing backend

  • Tested and deployed as a non-public preview

    for any selection from: iOS, Android, Web

Frequently Asked Questions

FAQ
Why Flutter and not React Native?

Flutter compiles to native code – no JavaScript bridge, better performance, more consistent rendering. The ecosystem is growing rapidly, Google is behind it, and the developer experience is the best in the cross-platform space. For most use cases, Flutter is the more efficient choice.

Does a Flutter app feel native?

Yes. Flutter uses its own rendering engine instead of platform-specific UI components – this gives you full control over pixel-perfect design. At the same time, platform-specific patterns (Material Design on Android, Cupertino on iOS) can be implemented if desired.

Can we migrate an existing native app to Flutter?

Yes, gradually. Flutter can be embedded as a module in existing iOS/Android apps. New features in Flutter, old ones remain native – until the migration is complete. The same logic as with our frontend migration: parallel operation instead of big bang.

What about platform-specific features like camera or Bluetooth?

Flutter has a plugin ecosystem for practically everything – camera, GPS, Bluetooth, biometrics, push notifications. For special cases, we write platform channels that address native Swift/Kotlin code. In the assessment, we clarify what works out-of-the-box and what needs custom solutions.

How does the app get into the stores?

In the pilot, we deploy via TestFlight (iOS) and internal APK release (Android). In scale, we build a CI/CD pipeline that automates building, testing, and preparing for store submission. We accompany the review process at Apple and Google.

What is the pilot phase?

A clearly defined project with a defined scope – typically 4–12 weeks (depending on the use case). You do not receive a concept paper at the end, but a functioning result: real code, tested and deployed. The pilot shows you what we can do before you make a long-term decision.

What happens after the pilot phase?

After the pilot comes the proof: We look together at the results – what worked, what was worthwhile, where are the gaps? Everything measured against defined KPIs, not gut feeling. Based on this, you decide: scale, adjust, or stop. No pressure, no upselling. If the proof convinces, we go into scale – your project grows, your team grows with it, the knowledge stays with you.

Do I have to start with a pilot phase?

No. The pilot is our recommended entry point because it creates clarity for both sides – but it is not a must. If you already know what you need and want to get started right away, we can also join an ongoing project or start directly with a larger scope. We adapt to your pace.

Do you work T&M or fixed price?

Start as a timeboxed pilot in T&M (optionally with cap). No fixed price risk, no lock-in. You see at any time what you are paying for – and can stop at any time. But very few do.

If you still have questions, just contact us

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Simon doesn't just write Flutter apps, he shapes the community – co-host of Flutter Vienna, keynote speaker at international conferences. Our most connected expert.

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