.NET MAUI vs Flutter vs React Native: A Practical Framework Comparison
Quick answer: Start with .NET MAUI for an existing C# team targeting its supported native platforms; evaluate Flutter when a shared custom UI across mobile, desktop and web is central; evaluate React Native when React and TypeScript experience are important. Validate the actual platforms, integrations and release process before choosing.
Define the application before comparing frameworks
A framework comparison is useful only with a concrete target. Write down the operating systems, device capabilities, accessibility needs, offline requirements and deployment channels. A small prototype that includes your hardest integration tells you more than an unrelated counter demo.
The examples in the original version of this article used .NET 9 and a 2025 comparison. This revision focuses on platform and architecture decisions instead of presenting those versions as a current recommendation. Consult each framework’s release and support documentation before starting a new application.
Compare platform coverage and UI approach
| Framework | Language and UI | Coverage to verify |
|---|---|---|
| .NET MAUI | C#; XAML or C# UI; platform handlers | Android, iOS, Windows and macOS via Mac Catalyst. Linux is not an official core target. |
| Flutter | Dart; widget-based UI with its own rendering approach | Android, iOS, Windows, macOS, Linux and web; check supported OS versions and plugins. |
| React Native | JavaScript/TypeScript and React; native integration | Android and iOS; desktop and web involve additional projects with their own support boundaries. |
Support for an operating system does not mean every required camera, scanner or authentication plugin supports it equally. Build and signing requirements also matter: Apple-targeted delivery still involves Apple’s toolchain and hardware requirements.
Avoid outdated performance shortcuts
There is no universal ranking that proves one framework is fastest for your app. Startup time, scrolling, memory, network latency and battery use are separate measurements. Compare release builds on representative devices with the same workload.
React Native’s New Architecture removes the old bridge as a blanket explanation for every performance result. Flutter’s rendering also cannot be described solely as “Skia everywhere”; its official documentation describes Impeller and platform-specific behavior. Neither architectural detail replaces measurements of your application.
Use a small decision prototype
Implement one realistic screen in the two strongest candidates: authenticate, load paginated data, edit a record, handle a failed request and exercise one required device integration. Include keyboard navigation or a screen reader if that is part of your product’s requirements.
Record the build versions and devices, measure release-build startup and scrolling, and try packaging an update. Evaluate which code is shared and which needs platform-specific implementation. Keep backend logic behind stable APIs so the client framework does not determine the whole system architecture.
Make the trade-off explicit
My recommendation is to choose for the team’s skills, required platforms and maintainability after the prototype. A C# backend does not force a MAUI frontend, and React familiarity does not remove native build work. For a browser-first product, assess a web architecture directly rather than assuming a mobile framework is automatically the right web solution.
References
Microsoft: MAUI platforms, Flutter: supported platforms, Flutter: Impeller, React Native: New Architecture, and React Native: additional platforms.