Both frameworks let you build Android and iOS apps from one codebase. The right choice depends on your app, your team and your long-term plans. Here is an honest comparison.
If you're planning a mobile app today, you'll almost certainly consider a cross-platform framework: one codebase that runs on both Android and iOS. The two leaders are Flutter (by Google) and React Native (by Meta). Both are mature, both power apps used by millions, and both can be the right choice. Here's how to decide.
Quick overview
| Flutter | React Native | |
|---|---|---|
| Language | Dart | JavaScript / TypeScript |
| UI approach | Draws its own widgets, so it looks identical on every device | Uses native platform components |
| Performance | Excellent, compiled to native code | Excellent for most apps; the new architecture closed most gaps |
| Code sharing with web | Flutter web exists; best for app-like experiences | Shares skills and some code with React web apps |
| Talent pool | Growing fast | Very large (JavaScript developers) |
| Best known for | Pixel-perfect custom UI, animations | JS ecosystem, native look and feel |
Choose Flutter when…
- You want a highly custom, branded UI that looks the same on every device.
- Your app relies on rich animations or custom graphics.
- You're starting fresh with no existing JavaScript codebase.
- You may also want desktop or embedded targets from the same code.
Choose React Native when…
- Your team already knows React or JavaScript, or you have a React web app.
- You want the app to feel exactly like a native platform app.
- You rely on JavaScript libraries or want over-the-air updates for small fixes.
- Hiring and replacing developers easily is a priority.
What about performance?
For typical business apps (e-commerce, booking, delivery, education, fintech dashboards), users won't notice a difference when either framework is built well. Code quality, API speed and image optimisation matter far more than the framework choice. Fully native development (Swift/Kotlin) still makes sense for very hardware-intensive apps such as advanced camera, AR or heavy gaming.
Cost and timeline
Both frameworks save significantly compared with building two separate native apps, often 30–40% of development effort, because most code is shared. The real cost drivers are features, design and back-end work. Read how much it costs to build an app in India.
Our recommendation
There's no universal winner. We pick per project: Flutter when design and consistency are priorities, React Native when the client's ecosystem is JavaScript-heavy. What matters most is an experienced team, a solid back-end and a clear product plan.
Brute Corp builds cross-platform apps in both. See our Flutter development, React.js and app development packages, or discuss your app idea with us.
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