React Native vs Flutter: Performance, Cost, Hiring and Which to Choose for Your App

Updated September 2026 · Written and maintained by the Progression Agency strategy team

React Native and Flutter are the two mainstream ways to build iOS and Android apps from one codebase. This comparison covers architecture, performance, user interface fidelity, developer experience, ecosystem, hiring, cost and long-term maintenance, and ends with a decision rule for businesses choosing between them, or choosing native instead.

React Native vs Flutter at a glance

Architecture and performance

React Native runs your JavaScript and renders real native views; the New Architecture, default since React Native 0.76, removed the old asynchronous bridge and made native calls synchronous, closing most of the historical performance gap. Flutter compiles Dart to native code and draws the interface itself with the Impeller renderer, which gives consistent 60 to 120 frames per second and full control over every pixel. For ordinary business apps (forms, lists, media, maps) both are indistinguishable to users; Flutter has the edge in heavy animation and custom graphics, and React Native has the edge when native platform components and behaviors must feel exactly native.

User interface and design fidelity

Flutter renders the same design on iOS and Android because it does not use platform widgets, which designers love and platform purists dislike. React Native uses platform components, so a switch looks like an iOS switch on iPhone and a Material switch on Android unless you style it. If the brand demands one look everywhere, Flutter is simpler; if the app should feel native on each platform, React Native is.

Developer experience

React Native with Expo gives web developers a familiar workflow: TypeScript, npm, React components, over-the-air updates and cloud builds. Flutter offers one language and one toolchain with excellent tooling in Android Studio and VS Code, and strong typing through Dart. Teams coming from React are productive in React Native within days; teams new to both often find Flutter’s single, consistent stack easier.

Ecosystem and integrations

React Native benefits from the whole JavaScript ecosystem and from Expo’s managed modules; most analytics, payments, maps and auth vendors ship React Native SDKs first. Flutter’s package repository is large and Google-backed, and Firebase integration is first class, but some enterprise SDKs arrive later or only through community packages.

Hiring and cost

React Native draws on the far larger React developer pool, which keeps rates and time-to-hire lower in the US; Flutter developers are fewer but the framework is easy to learn for experienced mobile engineers. Build cost is driven by scope rather than framework; either commonly delivers a business app for 25 to 40 percent less than two native codebases because most code is shared once. See app development cost and hire app developers.

Cross-platform vs native

Native development (Swift for iOS, Kotlin for Android) gives the best performance, immediate access to new OS features and the most platform-faithful experience, at roughly double the engineering. It is the right choice for camera, AR, audio, health-sensor and high-performance apps, and for companies with separate iOS and Android teams. For most business, ecommerce, service and content apps, cross-platform delivers the same user outcome for less. See native app development and cross-platform app development.

Which should you choose?

How Progression Agency builds mobile apps

We build most cross-platform apps in React Native with Expo because our web work is React and clients can hire for it; we use Flutter when a client’s team prefers it or the design demands a custom rendered UI; and we build native Swift and Kotlin apps where the product needs them. See React Native app development, Flutter app development and mobile app development.

Frequently asked questions