Quick verdict
Choose Flutter when you want highly consistent UI across Android and iOS. Choose React Native when your team already works heavily in React and needs native ecosystem flexibility.
Side-by-side comparison
Factor
Flutter
React Native
UI consistency
Excellent for custom branded interfaces
Good, but native differences need more care
Performance
Strong for most product apps and animations
Strong for most product apps with native bridges
Hiring
Dart/Flutter talent required
React/JavaScript talent easier to find
Best for
Startups, MVPs, consumer apps, custom UI
React teams, native integrations, shared JS skills
Maintenance
One codebase with stable widget system
One codebase with more native dependency attention
Good fit for
MVP apps
Booking apps
Marketplaces
Internal mobile tools
Consumer apps
SyntaVox recommendation
SyntaVox can help you choose based on product roadmap, team skills, launch timeline, UI expectations, and long-term maintenance.