Cross-platform app development promises one codebase for iOS and Android, and for a large share of apps it delivers real savings in time and budget. But the choice is no longer just Flutter or React Native. Kotlin Multiplatform now lets teams share business logic while keeping native interfaces, and some products are still better served by fully native builds.
This category helps you decide with clear eyes. The guides compare Flutter, React Native, Kotlin Multiplatform and native Swift and Kotlin on performance, access to device features, UI fidelity, hiring, long-term maintenance and how well each handles web and desktop targets. They explain where shared code genuinely cuts cost, where it does not, and the limits that show up later, such as native module work, platform-specific bugs and framework upgrades. You will also find advice on migrating older Xamarin, Ionic or Cordova apps, and on choosing a team that has shipped cross-platform apps to both stores rather than just demos.
If you are leaning toward a single codebase, our app development page explains how Appryze builds Flutter apps for iOS and Android, with a fixed-price written quote within 24 hours.
Usually, because one team writes most of the code once for iOS and Android. Savings shrink when an app needs a lot of platform-specific work, such as custom native modules or deep hardware integration. Compare quotes for the same scope, including testing on both platforms and future maintenance.
There is no single best option. Flutter offers consistent UI and strong performance, React Native suits teams with React and TypeScript skills, and Kotlin Multiplatform suits teams that want native interfaces with shared logic. The right choice depends on your app, team and long-term plans.
You may wait for framework support of brand-new iOS or Android features, need native code for some hardware, and face upgrade work when the framework moves on. App size can be larger, and debugging platform-specific issues needs developers who understand both native environments.
Tell us what you're building. You get a written scope, timeline and fixed price — plus free Google Play and App Store submission and one month of launch marketing with every build.
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