Choosing the technology for your mobile app affects cost, speed and long-term maintenance. Here is a simple way to decide.
Native (Kotlin and Swift)
Separate apps for Android and iOS. Best performance and full access to device features. Highest cost because you build and maintain two codebases. Choose it for graphics-heavy apps, advanced hardware features or when platform-specific polish is critical.
Flutter
One codebase for Android and iOS with a rich set of UI components and smooth animations. Strong for business apps, MVPs and apps that need a consistent look on both platforms.
React Native
Also one codebase for both platforms, using JavaScript and React. A good fit when you already have a React web team or want to share logic with a web app.
Quick decision guide
- Most business, e-commerce and service apps: Flutter or React Native.
- Startups validating an idea: cross-platform, for speed and cost.
- Heavy 3D, AR or deep hardware integration: native.
Side-by-side comparison
| Factor | Native | Flutter | React Native |
|---|---|---|---|
| Codebase | Separate for Android and iOS | One for both | One for both |
| Look and feel | Fully platform-native | Custom UI, very consistent | Uses native components |
| Speed to build | Slowest, two teams | Fast | Fast |
| Device features | Full access | Good, via plugins | Good, via libraries |
| Best for | Heavy graphics, advanced hardware use | Business and consumer apps with custom UI | Teams already strong in JavaScript and React |
Questions that decide the choice
- Do you need Android only first, or both Android and iOS?
- Does the app need advanced camera, Bluetooth, AR or background processing?
- Do you already have a React web team or a Flutter team?
- How important is a fully custom design?
- What is your deadline and budget?
App store basics people forget
- Developer accounts for Google Play and the Apple App Store are paid and need your business details.
- Both stores require a privacy policy and accurate data-safety information.
- Review times vary; plan for resubmissions.
- Push notifications, in-app payments and permissions have platform rules.
Updates and maintenance
Operating systems change every year, so apps need updates for new Android and iOS versions, security patches and library upgrades. Budget for ongoing maintenance rather than treating the app as a one-time purchase.
Frequently asked questions
Can one app work on both Android and iOS?
Yes, with Flutter or React Native. This usually shortens development and keeps both versions in sync.
Is a cross-platform app slower?
For most business apps users cannot tell the difference when it is built well.
How do I get started?
Read how long an app takes and our mobile app development service, then book a free call.
Do not forget the backend
Whichever you choose, the app needs a secure backend, APIs and often an admin panel. Plan that in the same budget. See the mobile app cost guide and how long an app takes.
Ready to start? Explore mobile app development or book a free call.