Build Once, Deploy Everywhere.
Cross-platform frameworks allow developers to build mobile apps for iOS and Android from a single codebase. By 2025, 45% of mobile apps use cross-platform frameworks according to Statista. Flutter holds 38% market share among cross-platform frameworks, followed by React Native at 35% and Kotlin Multiplatform at 12%. Cross-platform development reduces development time by 30-40% and costs by 35-50% compared to building separate native apps for each platform.
At x13apps, we help clients choose the right cross-platform approach. Here is our analysis.
React Native: Mature Ecosystem, JavaScript Reach
React Native, developed by Meta, uses JavaScript and React to build native mobile apps. It compiles to native code components, providing near-native performance. The ecosystem includes numerous third-party libraries. React Native benefits from the vast JavaScript/React developer pool. Expo framework simplifies development with built-in tools and services. React Native excels for apps that need to share code with web React applications. Performance is excellent for most use cases, though complex animations may lag behind native.
Flutter: High Performance, Consistent UI
Flutter, developed by Google, uses the Dart programming language and renders its own widgets using Skia graphics engine. This gives Flutter complete control over every pixel on screen, enabling consistent UI across platforms. Flutter applications compile to native ARM code for high performance. The widget library is comprehensive and customizable. Flutter supports web and desktop targets in addition to mobile. Flutter excels for apps requiring complex animations, custom UI, and consistent brand experience across platforms.
Alternative Frameworks
Kotlin Multiplatform Mobile (KMM) shares business logic across platforms while maintaining native UI. Ideal for teams already using Kotlin for Android development. Ionic/Capacitor wraps web applications in a native shell. Suitable for teams with strong web development skills. .NET MAUI (formerly Xamarin) targets Microsoft ecosystem teams. Evaluate based on team skills, performance requirements, UI complexity, and integration needs. At x13apps, we select frameworks based on project requirements, not trends. For more, read our Progressive Web Apps guide.