Flutter vs React Native: which mobile framework should you choose?

Two approaches to cross-platform

Building a mobile application for iOS and Android from a single codebase has become the norm. Two solutions dominate the market: Flutter, backed by Google, and React Native, backed by Meta. Both let you ship faster and pool costs, but their philosophies differ.

Performance and rendering

Flutter compiles to native code and draws its own interface through the Skia engine, guaranteeing consistent smoothness and identical rendering on every platform. React Native drives native components from JavaScript, and its new architecture (JSI) has narrowed the gap considerably. For rich animations or highly customized interfaces, Flutter keeps the edge.

Productivity and learning curve

React Native relies on JavaScript/TypeScript: web teams ramp up quickly. Flutter uses Dart, a language to learn, but its clarity and hot-reload speed up development once mastered. The choice often comes down to the skills already present in your team.

Ecosystem and maturity

• React Native: a huge npm ecosystem, countless libraries, a strong community.
• Flutter: a very complete, coherent widget catalog and first-class official tooling.

Our experience at Digi4

We use Flutter for most of our mobile applications — Residapp, Doctifile, Médiviz and the MAS member app — because it offers an excellent balance of performance, development speed and visual consistency across both platforms.

Our verdict

Choose React Native if your team is already expert in JavaScript and you reuse web code. Choose Flutter for a polished interface, consistent performance and a single well-structured codebase. When in doubt, let's talk: we'll point you in the right direction based on your real context.