Ruby Native vs Flutter

Flutter is Google's toolkit for building an app's interface in Dart, drawn by Flutter's own engine on every platform. Ruby Native ships the interface your Rails app already renders. Like React Native, Flutter is a rebuild. The difference is the language and the way it draws.

#What Flutter gives you

Flutter apps are written in Dart. Flutter draws every widget itself rather than using the platform's native controls, which is why a Flutter app looks the same on iOS and Android and why one codebase can also target desktop and the web. Its Material and Cupertino widget sets imitate each platform's look. Building for iOS still needs Xcode, CocoaPods for plugins with native code, and an Apple Developer account for a device or the App Store. Flutter's own setup guide walks through all three.

As with React Native, your Rails app becomes an API and every screen is rebuilt, this time in a language your Rails team does not write yet.

#Where Flutter is the right call

  • The product is mobile-first and the interface is custom-drawn: games, heavily branded design, animation, anything where matching the platform's controls matters less than looking the same everywhere.
  • You want one interface codebase for iOS, Android, desktop, and possibly the web, and you are prepared to learn Dart and keep it.
  • You have a developer who will keep Xcode and Android Studio current and own the stores.

#Where Ruby Native is the right call

  • The product lives on the web, and the app needs to be the same product. Your team makes each decision once, in Rails, and the apps pick it up with the deploy.
  • No new language. The developer who works on the Rails app sets it up in a day or two, in Ruby and the HTML they already write.
  • The platform's own controls. Ruby Native's tab bars, navigation bars, and menus are the system's, so when iOS 26 shipped Liquid Glass, Ruby Native apps got the new tab bars with their next build. A Flutter app draws its own and gets a new look when Flutter ships one.
  • Days to weeks to a first release, not months.

#Side by side

Flutter Ruby Native
Your screens Rebuilt as Dart widgets Your Rails views, as they are
Language Dart Ruby, and the HTML you write today
Interface Drawn by Flutter's engine, the same on every platform The platform's own navigation and controls around your web pages
Codebases to maintain A Flutter app and a Rails API One Rails app
Tooling your team installs The Flutter SDK, Xcode, Android Studio The gem
Time to first release Months Days to weeks
Store listing and submission Yours, in App Store Connect and Play Console A file in your repo, one command, or your agent
Cost Months of a team that learns Dart $199 a month per app

#Moving between them

From Ruby Native to Flutter later, your Rails app is unchanged, and nothing you did for Ruby Native blocks a rebuild. Shipping Ruby Native first tells you what customers do in an app before you commit a team to one.

From Flutter to Ruby Native is possible whenever Rails still renders the product for the web.

The business comparison, against hiring a mobile team, an agency, or a React Native rebuild, is on Why Ruby Native. Try the demo app on your phone from /try, or email Joe at [email protected] with your app's URL.