If you're building a mobile app for iOS and Android with a single team, Flutter and React Native are the two options worth considering. Both are mature, both are widely used in production, both have advantages. Here's the honest comparison.
Flutter
Made by Google. Uses Dart as its language and its own rendering engine (Skia, then Impeller).
Strengths:
- Consistent UI across platforms — the same widget tree renders identically on iOS and Android
- Excellent performance, near-native
- Comprehensive widget library
- Strong tooling (Flutter DevTools, hot reload)
- Web and desktop support if you need it later
Weaknesses:
- Smaller developer talent pool than React Native
- Dart is a niche language outside Flutter
- Larger app bundle size
React Native
Made by Meta. Uses JavaScript/TypeScript and native platform widgets under the hood (with the new architecture stabilised in 2024–2025).
Strengths:
- Enormous JavaScript talent pool
- If your team already runs React on the web, they can ship mobile too
- Native platform widgets means UI feels genuinely native
- Massive third-party library ecosystem
Weaknesses:
- UI can feel slightly different between platforms (native widget rendering)
- Bridge/turbo-module complexity when integrating native code
- More frequent breaking changes historically
Performance
Both are close to native for typical apps. Flutter has a slight edge on animation-heavy or highly graphical apps because it renders directly. React Native has caught up dramatically with the new architecture.
For most business apps (dashboards, forms, lists, payments), performance is not the deciding factor.
Hiring
React Native has a materially larger talent pool. Almost every mid-senior JavaScript developer can ramp up on React Native in a week. Flutter requires learning Dart, which is a smaller commitment but a real one.
If long-term hiring flexibility matters, React Native wins.
When we pick Flutter
- The app is UI-heavy with custom design that needs to look pixel-perfect the same on iOS and Android
- The team is comfortable with a bit more upfront learning for cleaner long-term architecture
- Performance-sensitive animations or graphics are part of the product
- The client wants to reuse the codebase for web and desktop later
When we pick React Native
- The client already runs React on the web
- Hiring flexibility is a stated priority
- The app is CRUD-heavy (typical B2B or internal ops apps)
- Integration with existing native SDKs (fingerprint auth, deep OS features) is important
What about native?
Sometimes native Swift + Kotlin is still the right answer. Specifically:
- Games with heavy 3D rendering
- Apps that need cutting-edge platform features on day one
- Apps that will live 5+ years and need maximum control
For everything else in 2026, cross-platform wins on cost, timeline, and maintenance.
Total cost comparison
Rough numbers for a mid-scope consumer app:
- Native (Swift + Kotlin, two codebases): $50,000–$120,000
- Flutter or React Native (one codebase): $30,000–$70,000
- Ongoing maintenance: cross-platform is ~50% cheaper year-over-year
Our default
We default to Flutter for new consumer apps and internal tools where UI consistency matters. React Native for clients with existing React expertise or urgent hiring flexibility needs.
Not sure which fits? That's the first conversation we have when scoping mobile projects.