Flutter and native development are both viable for mobile products. Select between them by testing the hardest workflow, required device APIs, target devices and maintenance plan. Shared code is a potential benefit, not a guaranteed reduction in cost or a guarantee of native-equivalent performance.
Compare the work your app actually needs
| Requirement | Flutter review | Native review |
|---|---|---|
| Shared business screens | Assess reusable UI and workflow logic | Plan separate platform implementations and shared API contracts |
| Camera, Bluetooth or background tasks | Validate plugin support and platform code needed | Validate platform restrictions and hardware behavior |
| Graphics or demanding interaction | Profile a representative prototype on target devices | Profile the same workflow with platform tools |
| Long-term maintenance | Review plugin ownership and framework upgrades | Review skills and separate OS upgrade work |
Use a prototype to resolve uncertainty
Build the difficult interaction before committing to the whole app: offline synchronization, scanning, device communication or a graphics-heavy screen. Test permissions, interruption, poor connectivity and target devices. Count the platform-specific work that remains after the prototype.
Rendering is one part of performance
A rendering engine cannot eliminate delays caused by application work, large images, network calls or device limits. Record frame behavior in an appropriate build on representative hardware. The official Flutter rendering documentation explains the engine; it does not provide a performance guarantee for an individual app.
Plan ownership and release work
Both approaches still require platform permissions, signing, store materials and device testing. Compare build instructions, dependency updates and support responsibilities alongside the first-release estimate. Review Flutter services or native app services, then send the critical workflow and device list for a scope review.