Design, development and Flutter consultancy
We’re a team of world-leading Flutter experts and designers dedicated to making amazing apps.
From full end-to-end app builds to Flutter consulting, we’re here to help you make reliable, beautiful apps, and use the power of Flutter to do it in record time.
Want to go beyond apps?
Rebel is all about Flutter and great app experiences. But if you’re also after backend magic, full system architecture, or a broader tech partnership, our crew at Codemate can jump in.
Work
“I was impressed by their flexibility, responsiveness, and professionalism.”
“Their pragmatic approach, creativity and technical ability makes teamwork easy and effortless.”
Let’s talk about you, your company, your product and your goals.
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Blog
All blogs
Exploring Flutter GenUI with Google
April 17, 2026 by RebelWe built a Flutter GenUI demo with Google! Explore what GenUI means in practice, and what we learned from the process.
2025 Highlights: a year of travel, AI exploration, and community impact
December 19, 2025 by Rebel2025 was another great year for Rebels!
Rebels at Flutter & Friends: Connecting through code and community
September 9, 2025 by RebelIn this post, Tero Tarvainen tells how his journey at Flutter & Friends went!
Our story so far
2007
Codemate was founded
2017
One of the world’s first Flutter consultancy projects in the world – by us!
3/2021
The world’s first large scale Flutter for Web release – by us!
5/2021
We start developing Flutter for Google
12/2021
Rebel App Studio was born, to focus solely on Flutter consulting and community work
What is Flutter?
Flutter is an open source framework by Google for building beautiful, natively compiled, multi-platform applications from a single codebase.
It makes you release faster than anything else. It provides the best performance. It does not break with new OS releases.
World leaders in Flutter
More experience than anyone: Flutter consulting since 2017.
Expertise you can’t find elsewhere: Developing Flutter with Google.
Pushing the boundaries: we find the limitations of Flutter and push through them. Even if we have to change Flutter itself.
Powered by Codemate
Powered by Codemate: a Nordic creative tech agency.
Making apps long before Flutter: We’ve used everything.
100 people with 15 years’ experience and over 700 projects. Awesome customers: Netflix, Taco Bell, Ericsson.
What the Flutter?
Contact us to learn moreFast development
Flutter’s hot reload helps you quickly and easily experiment, build UIs, add features, and fix bugs faster. Experience sub-second reload times without losing state on emulators, simulators, and hardware.
Expressive, beautiful UIs
Delight your users with Flutter’s built-in beautiful Material Design and Cupertino (iOS-flavor) widgets, rich motion APIs, smooth natural scrolling, and platform awareness.
Native Performance
Flutter’s widgets incorporate all critical platform differences such as scrolling, navigation, icons and fonts to provide full native performance on both iOS and Android.