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COMPARISON · 2026

Flutter vs React Native: Which Is Better for London App Development in 2026?

Flutter for most new projects. React Native if your team is already JavaScript-heavy. Here's the detailed comparison from 47 apps shipped.

Flutter

PROS

  • ✓ Single codebase for iOS, Android, and web
  • ✓ Hot reload for rapid development
  • ✓ Pixel-perfect UI control with custom rendering
  • ✓ Growing enterprise adoption (Google, BMW, Toyota)
  • ✓ Dart is easy to learn for most developers

CONS

  • ✗ Smaller talent pool than React Native
  • ✗ Dart is less mainstream than JavaScript
  • ✗ App size slightly larger than native
  • ✗ Web support still maturing
Best for: Most new cross-platform MVPs, especially where pixel-perfect design matters

React Native

PROS

  • ✓ JavaScript/TypeScript — largest developer talent pool
  • ✓ Massive ecosystem of third-party libraries
  • ✓ Strong for companies already using React on web
  • ✓ Meta maintains it actively
  • ✓ New Architecture (Fabric) has closed the performance gap

CONS

  • ✗ Bridge architecture can cause performance issues (improving with New Architecture)
  • ✗ Native module dependency for complex features
  • ✗ iOS and Android styling divergence
  • ✗ Upgrade path between versions can be painful
Best for: Teams already strong in JavaScript/React, or projects where web + mobile code sharing is important
OUR VERDICT

For most London startups building their first cross-platform MVP in 2026, we recommend Flutter. The developer experience is better, the UI control is more precise, and the "it works on both platforms identically" promise is more consistently delivered. Choose React Native if your engineering team is JavaScript-first and you want code sharing with a React web app.

FAQ

Common questions.

Which is faster to develop?
Similar development speed. Flutter has slight edge for UI-heavy apps. React Native has edge if you're already using React on web.
Which has better performance?
Flutter compiles to native ARM code. React Native New Architecture (2024+) has closed the gap. Both are fast enough for 95% of apps.
How much does cross-platform cost vs native?
Cross-platform (Flutter/React Native) is typically 40–50% cheaper than building native iOS + Android separately.
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