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Flutter vs React Native: which should your startup use?

Both frameworks ship production-quality iOS and Android apps from one codebase, and for most startup MVPs either will work. The real differences show up in team background, UI requirements, and what happens after launch. One Peak builds with both — here is how we actually choose.

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Where React Native wins

React Native renders real native components and lives in the JavaScript ecosystem, which matters more than benchmark charts for most teams.

  • ✓Your team or future hires know React — the talent pool is far larger
  • ✓You want to share logic with a React web app
  • ✓Truly native look and feel per platform
  • ✓Expo has made builds, updates, and store submission dramatically simpler

Where Flutter wins

Flutter draws every pixel itself, which makes it the stronger choice when the design is custom and must look identical everywhere.

  • ✓Heavily custom, brand-driven UI and animations
  • ✓Pixel-identical rendering across iOS, Android, and web
  • ✓Consistently smooth performance on low-end Android devices
  • ✓Single rendering engine means fewer platform-specific bugs

What matters less than people think

Most comparison articles dwell on differences that rarely decide a startup project.

  • ✓Raw performance — both are far beyond MVP needs
  • ✓Dart vs JavaScript — a competent team learns either quickly
  • ✓App size — a non-issue for most products

Our decision rule

If the product needs a standard interface and the team is JavaScript-native, we pick React Native. If the product is design-led with custom UI everywhere, we pick Flutter. When in doubt for a two-feature MVP, React Native — the hiring and ecosystem advantages compound after launch.

Frequently asked questions

Which is better for an MVP, Flutter or React Native?

For most MVPs: React Native, because hiring is easier and the ecosystem is larger. Flutter wins when the interface is heavily custom and must render identically on every device.

Is Flutter or React Native cheaper to build with?

Build costs are nearly identical for the same scope. The cost difference appears later in hiring: React developers are easier to find, which usually makes React Native cheaper to maintain.

Can I switch frameworks later?

Switching means a rewrite of the UI layer, so treat the choice as semi-permanent. Backend, API, and product logic carry over either way if architected cleanly.

What about native Swift and Kotlin instead?

Go native when the product depends on deep platform features — advanced camera work, heavy background processing, watch or widget-first products. Otherwise cross-platform gets you to validation in half the budget.

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