Comparison
React Native vs Swift: the honest comparison
Both are great choices — but for different reasons. Here's a clear breakdown to help you decide which is right for your project.
React Native
Cross-platform framework by Meta. Write once, deploy to iOS and Android. Great for MVPs and teams that need both platforms quickly.
Swift (Native iOS)
Apple's native language for iOS. Maximum performance, full API access, and the best user experience on Apple devices.
| Feature | React Native | Swift (Native iOS) |
|---|---|---|
| Performance | Near-native, occasional bottlenecks | Full native performance |
| Development Speed | Faster — one codebase for both platforms | Slower — iOS only, but deeper integration |
| UI Fidelity | Good, but not pixel-perfect native | Pixel-perfect native iOS experience |
| Platform APIs | Most via bridges, some limitations | Full access to all iOS APIs |
| Team Size | Smaller — one team for both platforms | Dedicated iOS team required |
| Hot Reload | Fast refresh during development | SwiftUI previews (improving) |
| App Store Size | Larger bundle size | Smaller, optimized bundle |
| Long-term Maintenance | Bridge updates, dependency management | Stable, Apple-maintained tooling |
When to choose each
Choose React Native
Choose React Native when you need both iOS and Android, have limited budget, are building an MVP, or your app is primarily content-driven without heavy native integrations.
Choose Swift (Native iOS)
Choose Swift when iOS is your primary platform, you need maximum performance (gaming, AR, complex animations), you want deep Apple ecosystem integration (HealthKit, ARKit), or user experience is the top priority.
Our verdict
At LUNARLABS, we default to native Swift for iOS-first products because nothing beats the native experience. But for cross-platform needs with limited budget, React Native is a strong pragmatic choice. We'll always recommend what's right for your specific situation.
Frequently asked questions
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