One of the first questions in any mobile app project is whether to build natively — separate apps for iOS and Android — or to use a cross-platform framework that targets both from a single codebase. The right answer depends on what your app needs to do, your timeline, and your budget. There's no universally correct choice.
What's the difference?
Native development means writing separate codebases for iOS (Swift/Objective-C) and Android (Kotlin/Java). Each app uses the platform's own UI components and APIs directly. Cross-platform development uses a single shared codebase — typically React Native or Flutter — that compiles to native code for both platforms.
Native vs cross-platform: a comparison
| Native (iOS + Android separately) | Cross-platform (React Native / Flutter) | |
|---|---|---|
| Performance | Best possible — direct platform access | Near-native for most use cases |
| Development cost | Highest — two separate builds | Lower — single shared codebase |
| Time to market | Slowest | Faster |
| Access to device APIs | Full, immediate | Most APIs supported; some edge cases require native bridges |
| UI consistency | Platform-native look and feel | Consistent across platforms (may not feel fully "native") |
| Maintenance | Two codebases to maintain | One codebase — updates applied once |
| Developer availability | Separate iOS and Android specialists needed | Larger shared talent pool |
When native development is the better choice
1) Your app pushes device hardware limits
Augmented reality, advanced camera processing, complex animations, or apps that need to run intensive tasks in the background — these benefit from direct platform access that cross-platform frameworks can't always match.
2) Deeply platform-specific UX is important
If your app needs to feel genuinely native — using exactly the platform's UI patterns, gestures, and system integrations — native development gives you full control. This matters most for consumer apps competing in crowded markets where UX quality is a differentiator.
When cross-platform is the better choice
1) You need both iOS and Android but have a limited budget
Cross-platform typically costs 40–60% less than two separate native builds. For most business apps, the performance difference is not meaningful enough to justify the premium.
2) You're validating a concept or launching an MVP
Speed to market matters more than perfection at the validation stage. Cross-platform lets you get to real users faster, gather feedback, and iterate without maintaining two separate codebases.
3) Your app is data-driven rather than graphics-intensive
Business applications — dashboards, booking systems, CRMs, workflow tools — perform excellently in React Native or Flutter. The performance difference from native is negligible for these use cases.
Our recommendation for most UK businesses
Unless your app has specific requirements that cross-platform frameworks can't meet, we typically recommend React Native or Flutter for new projects. The cost saving, faster timeline, and single codebase to maintain usually outweigh the marginal performance benefit of native — especially at the early stages of a product.
Get the right recommendation for your project
We'll assess your requirements and tell you which approach makes most sense — without steering you towards whatever is easiest for us to build.