Updated September 2026 · Written and maintained by the Progression Agency strategy team
Progression Agency provides Flutter app development: iOS and Android apps from one Dart codebase with a custom, brand-consistent interface, smooth animation and the option to target web and desktop from the same code.
On this page · 11 sections
- What is Flutter app development?
- Flutter apps we build
- Key features and components
- Common integrations
- When not to use Flutter
- Our flutter app development process
- How much does Flutter app development cost?
- Technology we typically use
- Mistakes to avoid
- Why choose Progression Agency for flutter app development?
- Related services
The short answerFlutter application development uses Google’s open-source UI toolkit and the Dart language to build natively compiled apps for iOS, Android, web and desktop from one codebase. It excels at custom, animated interfaces that look identical on every platform. A Flutter MVP commonly costs $40,000-$90,000.
Cost ranges are US planning figures, not quotes.
What is Flutter app development?
Flutter app development is building applications with Flutter, Google’s UI toolkit, which compiles Dart code into native apps for multiple platforms from a single codebase.
Flutter draws its own interface with the Impeller rendering engine rather than using platform widgets, which gives full control over design; compare it with React Native.
Flutter apps we build
Projects we are most often asked to build.
Consumer apps with custom design
Brand-led interfaces that look identical on iOS and Android.
Flutter MVPs
Fast route to both stores; see MVP development.
Animated and interactive apps
Rich transitions and custom components.
Multi-platform apps
One codebase for mobile, web and desktop where it fits.
Kiosk and embedded interfaces
Custom screens on dedicated devices.
Migrations to Flutter
Consolidating separate native apps.
Flutter draws its own interface with the Impeller rendering engine rather than using platform widgets, which gives full control over design; compare it with React Native.
Key features and components
What separates a useful build from a costly one.
| Feature | Why it matters |
|---|---|
| Single Dart codebase | Lower maintenance |
| Custom widgets | Brand consistency |
| Hot reload | Faster iteration |
| Impeller rendering | Smooth animation |
| Platform channels | Native feature access |
| Multi-platform targets | Web and desktop |
| Strong typing | Fewer runtime errors |
| Testing tools | Widget and integration tests |
Common integrations
Where the value usually comes from.
| System | What we connect |
|---|---|
| Firebase | Auth, data, analytics |
| Backend APIs | Your services |
| Payments | In-app purchase, Stripe |
| Maps | Location features |
| Push | APNs and FCM |
| Native SDKs | Via platform channels |
When not to use Flutter
Flutter is not always the best fit.
- Teams with strong React skills and a React web app may prefer React Native.
- Apps needing the very latest platform UI features on day one may prefer native.
- Flutter apps can be larger to download.
- SEO-dependent web experiences are better built with web frameworks.
Our flutter app development process
We define the design system, choose state management and architecture, build in Dart sprints, add platform channels for native features, test on both platforms and release to both stores.
How much does Flutter app development cost?
As a planning range, a Flutter MVP commonly costs $40,000-$90,000 and a full business app $90,000-$160,000 for iOS and Android.
| Scope | Typical range | Timeline |
|---|---|---|
| Flutter MVP | $40,000-$90,000 | 10-16 weeks |
| Full Flutter app | $90,000-$160,000 | 4-6 months |
| Migration to Flutter | $60,000-$150,000 | 3-6 months |
Technology we typically use
Mainstream, maintainable choices.
| Layer | Choice |
|---|---|
| Framework | Flutter, Dart |
| State | Riverpod, Bloc or similar |
| Backend | Node.js, Python or Firebase |
| Data | PostgreSQL or Firestore |
| CI | Automated builds |
| Testing | Widget and integration tests |
Mistakes to avoid
Common causes of overruns and low adoption.
- No design system.
- Mixing state management approaches.
- Heavy plugins without vetting.
- Ignoring app size.
- Treating Flutter web as a marketing site.
- Skipping platform-specific testing.
Why choose Progression Agency for flutter app development?
Engineering, design and go-to-market in one team.
- Design-system-first Flutter builds.
- Honest framework advice (we also build React Native and native).
- Launch marketing and ASO.
- You own the code, data and accounts.
- Headquartered in New York City, working with clients nationwide and worldwide.
Related services
See cross-platform app development, React Native app development and app development tools.
Ready to scope it?
Tell us the users, workflow and systems involved. We will propose a first release and planning estimate.
Getting found in search
AI, AEO and what is changing
Paid media and lead generation
Websites and design
Choosing and working with an agency
Software and app development
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- Hire dedicated developers
- Software development life cycle
- Web application development
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- Cross-platform app development
- React Native app development
- Native app development
- iOS app development
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- MVP development
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- Enterprise app development
- App development outsourcing
- Hire app developers
- App development cost
- How to build an app
- App development tools
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- App development in NYC
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Web development, platforms and hosting
Social, content and brand
By industry and by situation
Frequently asked questions
What is Flutter?
How much does a Flutter app cost?
How long does Flutter development take?
Flutter or React Native?
What language does Flutter use?
Is Flutter good for production apps?
Can Flutter access native features?
Is Flutter good for web?
Are Flutter apps large?
Can you migrate our app to Flutter?
Does Flutter support desktop?
What is Impeller?
What tech stack do you use with Flutter?
How much maintenance do Flutter apps need?
What should I look for in a Flutter developer?
Can Flutter apps pass App Store review?
Is Flutter backed by Google?
Do you build Flutter MVPs?
Who owns the app?
Where is Progression Agency located?
What is Flutter mobile app development?
Planning an app?We build iOS and Android apps from one Dart codebase, with a custom interface and the option to reach web and desktop.
Get a free marketing proposal
Tell us what you are trying to grow and we will come back with a plan, not a pitch deck. Same-day reply on weekdays.