React Native vs Native Mobile App Development UK — Honest Comparison (2025)
React Native is the right choice for most UK mobile app projects — one codebase for iOS and Android, 60–80% cost saving vs dual native, and a large UK talent pool. Native (Swift/Kotlin) is worth the additional cost for: camera/AR-heavy apps, apps requiring hardware-level performance, or apps that need cutting-edge platform features immediately on release. HealthTech caveat: DTAC Domain 3 scrutinises React Native security more carefully than native. The choice between React Native and native mobile development is one of the most common UK mobile project decisions. Here is a straightforward comparison based on UK market reality, including the NHS DTAC and UK GDPR implications that most guides miss.
| Factor | React Native | iOS Native (Swift) | Android Native (Kotlin) |
|---|---|---|---|
| Development cost | Single codebase — lowest cost | Highest (iOS only build) | Highest (Android only build) |
| Time to market | Fastest — single team, one codebase | Slower — separate iOS team | Slower — separate Android team |
| Performance | Near-native for most use cases | Best possible | Best possible |
| Camera / AR | Good (React Native Vision Camera) | Best (AVFoundation) | Best (Camera2 API) |
| UK talent pool | Largest — React developers can contribute | Smaller Swift pool | Smaller Kotlin pool |
| DTAC Domain 3 (NHS) | More scrutiny — security evidence needed | Simpler evidence | Simpler evidence |
| UK GDPR App Privacy Labels | Same effort for both — separate Apple/Google requirements | ||
| ClickMasters recommendation | Default for most UK projects | Only if performance-critical | Only if performance-critical |
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