Flutter vs Native — One Codebase for Android and iOS

The first question on almost every mobile project is the same: “Native (Swift/Kotlin), or cross-platform?”

Why Flutter is our default

Flutter (Google’s framework) gives us one Dart codebase that compiles to both Android and iOS, close to native performance. The practical difference:

• Development time — a feature gets written once and works on both platforms. On average, that’s 30-40% less development time than building two separate native apps.
• Budget — one team instead of two, one QA cycle instead of two.
• UI consistency — Flutter’s widget-based architecture gives you pixel-identical UI on both platforms, so brand identity doesn’t get lost in each platform’s default components.

When we pick native instead

Cross-platform isn’t always the right answer. Native (Swift for iOS, Kotlin for Android) stays the choice when:

• The app leans heavily on platform-specific APIs (ARKit, deep Bluetooth integration, a custom camera pipeline).
• Maximum performance matters in a graphics-heavy app (3D games, for example).
• The client already has a native team who will maintain the product going forward.

What we’ve built on Flutter

WOB (mobile auto repair) and Motorent (car rental) are both built on Flutter — one codebase shipping to both the App Store and Google Play, with simultaneous releases.

A real trade-off, not a free lunch

Flutter isn’t compromise-free — very specific native functionality sometimes needs a platform channel (a native-code “bridge” back to Dart). That’s rare for us, but we say so plainly whenever a specific feature calls for it.

Practical rule of thumb: if your app is e-commerce, booking, service-based, or content-driven, Flutter is the right default. If it leans hard on platform-specific hardware or needs maximum graphics performance, that’s when we start talking native.