services - flutter app development
Flutter app development, one codebase, two platforms.
One Dart codebase shipping native-quality iOS and Android apps from a single build, instead of two separate native teams.
// start here
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definition
What is Flutter app development?
Flutter app development is the build of a mobile app in Dart using Google's Flutter framework, which compiles one codebase into native iOS and Android apps and renders its own widgets rather than bridging to platform UI components.
key takeaways
Searches for "flutter mobile app development" run around 28,040 a month in the US, reflecting Flutter's position as a leading cross-platform framework.
The global mobile application market was valued at $281.52 billion in 2024, on track for $626.39 billion by 2030 (Grand View Research, 2024).
Mobile users worldwide spend 3.5 hours a day inside apps, 4.2 trillion hours in total across iOS and Google Play (Sensor Tower, 2024).
You don't need to have ruled out native development before you talk to us; we tell you honestly if a feature needs it.
// why one codebase changes the economics
Why does building in Flutter change the economics of a mobile app compared to native? Because a feature built once ships to both iOS and Android, instead of being built twice by two separate native teams and drifting apart with every release. The tradeoff is the same one every cross-platform framework faces: a feature that needs deep, platform-specific hardware access sometimes needs a native plugin bridge, which is why an honest discovery conversation up front matters more than the framework choice itself.
capabilities - five
What our Flutter team actually does.
Five capabilities, one goal: one codebase, both platforms, native-quality on each.
- 01
Cross-platform Flutter development
One Dart codebase compiled to native iOS and Android, so a feature built once ships to both platforms.
- 02
Custom widget and UI development
Flutter's widget system used to build interfaces that feel native on each platform, not a generic cross-platform look.
- 03
Firebase and backend integration
Authentication, push notifications, and real-time data wired through Firebase or your existing backend.
- 04
App Store and Google Play submission
Both store submissions shepherded through review from one build, not two separate native pipelines.
- 05
Flutter web and desktop builds
The same Dart codebase extended to web or desktop when a product needs to reach beyond mobile.
method
How does a Flutter engagement actually work?
A Syndell Flutter engagement runs four stages: discovery and scope, UI/UX design, Flutter development, and QA with dual-store submission.
- 01
Discovery and scope
// outcome
-> an honest read on whether Flutter's shared codebase fits your feature list and hardware needs
- 02
UI/UX design
// outcome
-> screens designed in Flutter's widget system, tuned to feel native on both iOS and Android
- 03
Flutter development
// outcome
-> one Dart codebase built and tested against both target platforms in parallel
- 04
QA and dual-store submission
// outcome
-> tested on real devices, then submitted and shepherded through both App Store and Google Play review
technologies our Flutter team builds with
- Flutter
- Dart
- Firebase
- Riverpod
- GetX
- AWS
- Google Cloud
-- flutter app development, in numbers --
global mobile application market size in 2024, projected to reach $626.39 billion by 2030 at a 14.3% CAGR
src - Grand View Research, 2024US searches for "flutter mobile app development" -- reflecting Flutter's position as a leading cross-platform framework
src - Google Keyword Planner via state/tier-assignment.csvaverage daily time mobile users spent in apps in 2024, totaling 4.2 trillion hours across iOS and Google Play
src - Sensor Tower State of Mobile 2025recent work
Cross-platform apps that ship from one codebase.
clutch: 5.0/5 - google: 4.9/5
engagement
Which engagement model fits you?
| MVP build | Full cross-platform build | Native-to-Flutter migration | |
|---|---|---|---|
| Best for | Testing real demand on both platforms at once, without doubling the build cost | A production app that needs to reach both platforms without two native teams | Consolidating separate iOS and Android codebases into one Flutter build |
| You get | Core features, one codebase, live on iOS and Android fast | Full Flutter engineering, Firebase integration, dual-store launch | A migration plan and a shared codebase replacing duplicated logic |
| Timeline | Weeks to a testable version | Months to a store-ready launch | Scoped to the size of the existing native apps |
We don't publish a pricing table here on purpose -- scope decides the real cost, and one conversation gets you a number a generic rate card never could. Tell us what you're building.
frequently - asked
About Flutter
app development.
01How is Flutter different from React Native?
Flutter compiles to native code and renders its own widgets rather than bridging to native UI components, which tends to give more consistent performance and visual fidelity across platforms. React Native uses more native UI components directly. We recommend based on your team and feature list, not a default.
02Does a Flutter app actually feel native, or does it feel like a cross-platform shell?
Done well, it feels native. Flutter renders its own UI rather than wrapping a webview, and its widget system supports platform-specific styling, so an app can look and feel iOS-native and Android-native from the same codebase.
03What features are hard to build in Flutter?
Features that need deep, platform-specific hardware access sometimes need a native plugin bridge. We tell you honestly during discovery if your feature list has one of those, rather than discovering it mid-build.
04Can you migrate our existing native iOS and Android apps into one Flutter codebase?
Yes. Consolidating two separately maintained native codebases into one Flutter build is one of the more common ways this engagement starts, particularly for teams tired of building every feature twice.
05How much does Flutter app development cost?
It comes down to scope: an MVP is a fraction of what a full cross-platform build runs, and Flutter is typically less expensive than building native apps on two separate platforms. Published rate cards tend to mislead more than they help, so we skip them -- book a call for a real estimate.
the practice
Comparing frameworks before you commit? See our React Native development practice for the leading alternative, or our mobile app development hub for the full platform picture, including native iOS and Android. Bring a developer directly onto your team through hire mobile app developers.
-- next issue - your flutter app --
Start your Flutter app development project.
Tell us what you're building -- we'll tell you honestly whether one Flutter codebase covers it.
