We have shipped production apps in both. Here is what the benchmarks do not tell you.
Both Flutter and React Native are mature cross-platform frameworks. The marketing for each claims near-native performance and full platform fidelity. After building production apps in both, our view is more nuanced.
Flutter is the clear winner when the design team has built a custom design system. Dart's widget tree gives pixel-perfect control without the bridge overhead React Native still carries in some rendering paths. Our Booking Monks app — 14 languages, custom animations, offline-first — shipped in Flutter and has never required a platform-channel workaround.
If the client has a large JavaScript codebase and the web and mobile share significant business logic, React Native means fewer moving parts. The Expo ecosystem has matured considerably since 2022 and most of the rough edges that once made us wary are now polished.
In 2025 you rarely make the wrong choice between them. Pick Flutter if your team is greenfield or design-led. Pick React Native if your team already writes JavaScript and code-sharing matters. Either way, write your business logic in a framework-agnostic service layer so you can swap the UI layer if you ever need to.
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