The two dominant cross-platform frameworks are React Native (by Meta) and Flutter (by Google). Each has a passionate community and real production apps with millions of users. But which is the right choice for YOUR startup?
The Core Difference
React Native renders using native platform UI components (actual iOS and Android widgets). This means your app looks and feels like a native app because it IS using native components.
Flutter, on the other hand, uses its own Skia/Impeller rendering engine to draw every pixel itself. This gives Flutter pixel-perfect cross-platform consistency but means the UI is not using native components.
React Native: Strengths
- JavaScript ecosystem: Leverage the world's largest developer community.
- Code sharing with web: Share business logic with React web apps via monorepos.
- Faster onboarding: Most web developers can be productive in React Native within days.
- OTA updates: With Expo EAS Update, push JavaScript code updates without going through the App Store.
Flutter: Strengths
- Consistent UI across platforms: Pixel-perfect UI on iOS, Android, Web, and Desktop.
- Performance: Excellent animation performance due to direct rendering control.
- Dart language: A strongly-typed, compiled language that catches errors at compile time.
- Growing ecosystem: Expanding rapidly with Google's backing.
The Verdict for Startups
For most SaaS, marketplace, and social app startups, React Native is the pragmatic choice. The ability to hire from a larger talent pool, share code with your web app, and push OTA updates is a massive operational advantage.
Choose Flutter if you need pixel-perfect custom designs, complex animations, or are targeting Desktop alongside Mobile.