If you are building a mobile app for both Android and iPhone, you can write two separate native apps or use one cross-platform framework. The three popular choices are Ionic, Flutter and React Native. Here is how they compare for typical business apps.
Quick summary
| Ionic | Flutter | React Native | |
|---|---|---|---|
| Language | HTML, CSS, TypeScript (Angular, React or Vue) | Dart | JavaScript / TypeScript (React) |
| How the UI is drawn | Web view | Own rendering engine | Native components |
| Performance | Good for standard apps | Very good, smooth animations | Very good |
| Best for | Teams with web skills, content or form-heavy apps, PWAs | Custom UI, animation, one codebase for everything | Teams with React experience, native look |
Ionic
Ionic builds apps with web technologies and wraps them in a native container. It is a strong fit if your team already knows web development, or if you want an app and a progressive web app from the same code. It suits business apps, forms, dashboards and content apps. Heavy graphics or demanding animations are not its strength.
Flutter
Flutter, from Google, uses the Dart language and draws every pixel itself, so the app looks identical across devices and animates smoothly. It has a rich widget library and a fast development cycle. It is a very good choice for apps with custom designs and for teams who want one codebase for Android, iOS and sometimes web and desktop.
React Native
React Native lets you write with JavaScript and React and renders real native components. It has a large community and many libraries. It is a natural fit if your team already uses React for the web.
When to build fully native
Choose native Kotlin or Swift when you need the deepest hardware access, the best possible performance for games or camera features, or very platform-specific behaviour. For most business apps (POS, field sales, HR, booking, delivery) a cross-platform framework is faster and cheaper.
How to decide
- What skills does your team already have?
- How custom is the design and animation?
- Does it need heavy device features like Bluetooth printers, scanners or background services?
- How long will the app live, and who will maintain it?
For offline-first business apps, such as field sales and POS companions, we often choose Flutter or React Native. Our mobile app development team will recommend the best option after reviewing your requirements. You can also read about app store optimization to plan for launch.
Frequently asked questions
Which is cheapest to build?
All three are cheaper than two native apps. The real cost difference depends on your team's skills and how custom the design is.
Can I switch frameworks later?
Switching means a rewrite. It is better to choose carefully at the start.
Is Ionic still a good choice?
Yes, especially for teams with web skills and for apps that are mostly forms, lists and dashboards.