Flutter

Flutter

Open Source

Build apps for any screen.

Frontend Frameworks
Mobile Frontend Frameworks

Published 29 May 2026 · Last updated 28 September 2026

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Scores

Popularity4/5

Google-backed; the second most popular cross-platform mobile framework.

Learning Curve3/5

Dart is learnable, but Widget composition and stateful architecture take practice.

Flexibility5/5

Widget composition model is unlimited; full access to native platform APIs via method channels.

Performance5/5

Compiled to native ARM; GPU-rendered Skia and Impeller engine delivers very smooth UI.

Portability2/5

Dart is effectively Flutter-only; Widget tree model does not translate to other frameworks.

About Flutter

Flutter is Google's open-source UI toolkit for building natively compiled applications from a single Dart codebase — iOS, Android, web, Windows, macOS, and Linux. Unlike React Native (which maps JavaScript components to native UI widgets), Flutter renders every pixel itself using the Skia (and later Impeller) graphics engine, making the UI pixel-perfect and consistent across all platforms without depending on native component implementations.

The UI model is purely widget-based and reactive: everything is a widget (text, padding, gesture detectors, animated transitions), widgets are immutable descriptions of UI, and state changes rebuild the relevant widget subtrees. This model, combined with Flutter's hot reload (inject code changes into the running VM without losing state), makes UI iteration very fast. Dart compiles to native ARM machine code for mobile and to WebAssembly for web.

pub.dev hosts 30,000+ Flutter and Dart packages. Official plugins cover Firebase, in-app purchases, maps, camera, and platform channels for custom native code. Flutter has 165,000+ GitHub stars and is used in production by Google Pay, BMW, eBay, and ByteDance.

Key Features

  • Single codebase for mobile, web, and desktop
  • Native performance with 60fps animations
  • Hot reload for instant development feedback
  • Rich, customizable widget library
  • Material and Cupertino design systems
  • Strong typing with Dart language
  • Excellent documentation and codelabs
  • Growing ecosystem on pub.dev

Pros

  • True single codebase across all platforms
  • Excellent performance with native compilation
  • Beautiful UI out of the box
  • Fast development with hot reload
  • Strong Google backing and active development
  • Great for custom UIs and animations

Cons

  • Requires learning Dart language
  • Smaller community than React Native
  • App size larger than pure native apps
  • Some native platform features require plugins
  • Less mature web support than mobile
  • Limited access to some native APIs

Flutter Pricing

Open Source

Tech Stacks with Flutter

Flutter + SQLite

Project

Flutter mobile app with SQLite for local data storage: build an offline-first app that saves data on the device.

Flutter
Flutter

Frontend

Dart
Dart

Programming

SQLite
SQLite

Databases

Details Sandbox
Authentication add-on:
CI/CD add-on:
Observability add-on:
Analytics add-on:

Flutter + Firebase

Project

Flutter mobile app backed by Firebase: authentication, real-time database, cloud storage, and push notifications out of the box.

Flutter
Flutter

Frontend

Dart
Dart

Programming

Firebase
Firebase

Databases

Firebase Auth
Firebase Auth

Authentication

Details Sandbox
CI/CD add-on:
Payments add-on:
Analytics add-on:

FlutterFlow + Firebase

Project

Visually-built mobile app with FlutterFlow and Firebase: design the UI in a drag-and-drop builder while Firebase handles auth, database, and hosting.

Flutter
Flutter

Frontend

Dart
Dart

Programming

Firebase
Firebase

Databases

FlutterFlow
FlutterFlow

No-Code

Firebase Auth
Firebase Auth

Authentication

Details Sandbox
CI/CD add-on:
Payments add-on:
Analytics add-on:

Tools Related to Flutter

Works well with Flutter(3)

FlutterFlow

FlutterFlow

FlutterFlow is a visual no-code/low-code platform for building native iOS, Android, and web apps using Flutter. Design screens with drag-and-drop components, define logic with a visual action flow editor, and export real Flutter/Dart code with no vendor lock-in.

Freemium
No-Code / Low-Code
5/5

FlutterFlow is a no-code/low-code builder that generates Flutter Dart code — Flutter is its runtime and compile target; FlutterFlow output is standard Flutter and can be exported and extended in code.

Firebase Auth

Firebase Auth

Google's authentication service with deep integration across Firebase platform and extensive mobile SDK support.

Freemium
Authentication
4/5

Firebase Auth integrates with Flutter via the firebase_auth FlutterFire package — handles email, Google, and social login in Flutter mobile apps with just a few lines.

Clerk

Clerk

Clerk is a hosted authentication and user management platform with pre-built sign-in, sign-up, and profile components for React, Next.js, and other frameworks, plus organisations and MFA.

Freemium
Authentication
3/5

Flutter apps can use Clerk's official clerk_flutter SDK (currently in beta) for authentication and user management.

Integrates with Flutter(2)

Firebase

Firebase

Google's platform for building web and mobile applications with real-time database, authentication, hosting, and serverless functions.

Freemium
Databases
5/5

Firebase is Google's official mobile backend for Flutter — FlutterFire SDK provides first-party packages for Firestore, Auth, Storage, and Cloud Functions; the two are developed and maintained by the same company.

Supabase

Supabase

Open-source Firebase alternative built on PostgreSQL. Provides a full backend stack with database, authentication, real-time subscriptions, file storage, and edge functions — deployable on Supabase Cloud or self-hosted.

Freemium
Databases
4/5

Supabase is a popular backend for Flutter apps — supabase-flutter package provides Postgres queries, realtime subscriptions, storage, and auth for mobile apps.

Alternatives to Flutter(2)

React Native

React Native

Meta's open-source framework for building native iOS and Android applications using React and JavaScript, compiling to genuine native UI components rather than a WebView.

Open Source
Frontend Frameworks
5/5

Most direct cross-platform mobile alternatives; React Native uses JavaScript/React, Flutter uses Dart with its own rendering engine — different language ecosystems.

Expo

Expo

Platform and tooling for building, deploying, and scaling React Native applications with minimal native configuration.

Freemium
Frontend Frameworks
4/5

Flutter uses Dart with its own renderer; Expo is a managed React Native workflow — different language ecosystems entirely.

Links

Website Docs GitHub

Vendor

Google

Tags

DartOpen SourceFree TierWeb DevelopmentMobile DevelopmentiOSAndroidCross-platform

Details

License
BSD-3-Clause
Maintained
Yes
Primary language
Dart
Domain
Mobile
GitHub stars
179k
Stars updated
2026-09-23