Flutter vs Ionic

Ionic uses web technologies (HTML/CSS/JS) whereas Flutter uses Dart and renders its own UI engine.

FlutterGoogle's UI toolkit for mobile, web and desktop apps from one codebase

IonicOpen source UI toolkit for mobile apps built with web technologies

Which to pick

Pick Flutter if you want…

Cross-platform UI development
Integrations with Dart, Firebase or Google Ads (on Flutter's list, not Ionic's)

Pick Ionic if you want…

Cross-platform mobile UI with web tech
Integrations with Angular, React or Vue (on Ionic's list, not Flutter's)

Flutter is a Dart-based UI toolkit for mobile, web and desktop, unlike Ionic’s web-technology stack.

Side by side

What it is: Flutter:Flutter is an open-source UI toolkit for building natively compiled apps for mobile, web, desktop and embedded devices from a single codebase.; Ionic:Ionic is an open-source UI toolkit that lets web developers build cross-platform mobile apps and PWAs using web technologies.
Best for: Flutter:Cross-platform UI development; Ionic:Cross-platform mobile UI with web tech
Who it’s for: Flutter:Developers who want to create cross-platform apps with a single codebase.; Ionic:Web developers who want to create native-like mobile apps with a single codebase.
Pricing: Flutter:Open source; Ionic:Open source
Open source: Flutter:Yes, 179,188 GitHub stars; Ionic:Yes, 52,686 GitHub stars
Works with: Flutter:Dart, Firebase, Google Ads, Google Play, Google Pay, Google Wallet, Google Maps; Ionic:Angular, React, Vue, JavaScript, Capacitor, iOS, Android, Web

Flutter features

Single codebase. Write one Dart codebase and compile to ARM, Intel, or JavaScript for all target platforms.
Hot Reload. See code changes instantly without losing app state, speeding up iteration.
Pixel-perfect UI. Full control over every pixel to create adaptive, custom designs for any screen.
Automated testing & tooling. Integrated testing, CI support and developer tools for production-grade apps.
Open-source community. Supported by Google and a global community with packages on pub.dev.

Ionic features

UI Component Library. Over 100 pre-built, themeable web components for iOS, Android and web.
Powerful CLI. Create, build, test and deploy apps from the command line, integrating with any JS framework.
VS Code Extension. Editor tooling that enforces best practices and runs common Ionic tasks inside VS Code.
Capacitor Bridge. Native plugin API to access device features like Camera, Filesystem and Share from web code.
On-Device Hot Refresh. Instantly see code changes on a connected device without rebuilding.
Appflow Cloud CI/CD. Cloud builds, live updates, native binary generation and app-store publishing.
Multi-Framework Support. Works with Angular, React, Vue or no framework at all.
Dark/Light Mode. Built-in theming for user-preferred light or dark UI.

Flutter vs Ionic FAQ

Is Flutter or Ionic free?+

Yes, both are free and open source.

Is Flutter or Ionic open source?+

Yes, both are open source: Flutter (flutter/flutter on GitHub, BSD-3-Clause license) and Ionic (ionic-team/ionic-framework on GitHub, MIT license).

Do Flutter and Ionic integrate with the same tools?+

Their integration lists don't overlap: Flutter lists Dart, Firebase, Google Ads, Google Play and 3 more; Ionic lists Angular, React, Vue, JavaScript and 4 more.

On DevHunt

Flutter

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Flutter on DevHunt →Flutter alternatives

Ionic