TL;DR
Summary
What is Flutter?
Flutter is Google's open-source framework using the Dart language. It compiles to native code for iOS, Android, web, and desktop — from a single codebase. The UI is pixel-perfect and doesn't depend on native components.
Flutter apps like Google Pay, eBay, Alibaba Xianyu use it in production for millions of users.
What is React Native?
React Native is Meta's framework. You write JavaScript (or TypeScript) and it renders using the actual native components of iOS and Android. If you already know React, the learning curve is very short.
Direct Comparison
- ✅ Extraordinary performance
- ✅ Pixel-perfect UI (any design)
- ✅ One codebase for all platforms
- ✅ Strong Google support
- ❌ Dart — less common language
- ❌ Larger app size
- ✅ JavaScript — you already know it
- ✅ Huge npm ecosystem
- ✅ Real native components
- ✅ Easy hire (more devs)
- ❌ Performance issues on complex UI
- ❌ Bridge architecture limitations
When to Choose Flutter?
Choose Flutter when: UI quality is critical (fintech, health, e-commerce), you need top-tier performance, you're building for Android + iOS + web simultaneously, or starting fresh with no team constraints.
When to Choose React Native?
Choose React Native when: your team already knows JavaScript/React, you need to reuse web components, or your company ecosystem is JS-first.
In Tunisia, most mobile dev job postings mention Flutter. It's the dominant framework for new mobile projects. If you're learning from scratch, start with Flutter.
The Verdict
In 2025: Flutter wins on performance and UI quality. React Native wins on team adoption and ecosystem. Neither is wrong — but for a new project with a team that can learn, Flutter is the better bet.