Flet is a app builders tool. Flet allows developers to create real-time web, mobile, and desktop applications using pure Python, eliminating the need for frontend experience or knowledge of languages like Dart, Swift, Kotlin, HTML, or JavaScript. Key capabilities: Single codebase for iOS, Android, Windows, Linux, macOS, and web, Build entire app in pure Python, 150+ built-in UI controls and services (Material and Cupertino design), Support for 50+ Python packages (Numpy, pandas, pydantic, etc.) for iOS and Android, Full web support (WebAssembly, Pyodide, server-side deployment). Flet is free to use with no paid tier. Buyers most often compare Flet against FlutterFlow, Adalo, Bubble.
TL;DR - Flet
Build multi-platform apps (web, mobile, desktop) using only Python.
Leverages Flutter for UI, offering 150+ built-in controls and services.
Supports packaging for standalone executables and deployment to app stores.
Pricing: Free forever
Best for: Individuals & startups
Pros & Cons
Pros
Eliminates need for frontend languages (Dart, Swift, Kotlin, HTML, JavaScript)
Enables rapid development with a single Python codebase for all platforms
Provides a rich set of UI components with modern design principles
Allows leveraging existing Python libraries for mobile and desktop apps
Simplifies deployment with built-in packaging and app store readiness
Key Features
Single codebase for iOS, Android, Windows, Linux, macOS, and webBuild entire app in pure Python150+ built-in UI controls and services (Material and Cupertino design)Support for 50+ Python packages (Numpy, pandas, pydantic, etc.) for iOS and AndroidFull web support (WebAssembly, Pyodide, server-side deployment)Built-in packaging for standalone executables and bundlesMobile device testing with Flet AppExtensible to wrap Flutter packages or build new Python controls
Pricing
Free
Flet is completely free to use with no hidden costs.
Flet allows developers to create real-time web, mobile, and desktop applications using pure Python, eliminating the need for frontend experience or knowledge of languages like Dart, Swift, Kotlin, HTML, or JavaScript. It leverages Flutter to render beautiful UI widgets with Material and Cupertino design, offering over 150 built-in controls and services for layout, navigation, dialogs, and charts.
The platform supports a single codebase that runs consistently across iOS, Android, Windows, Linux, macOS, and web. Flet apps can run natively in modern browsers using WebAssembly and Pyodide without a server, or be deployed as Python web apps with real-time UI updates. It also includes built-in packaging to create standalone executables or bundles for various platforms, enabling instant deployment to app stores. Developers can test their projects on mobile devices with the Flet App, seeing updates in real-time as changes are made. Flet is extensible, allowing users to wrap Flutter packages or build new controls with Python, and is built with accessibility in mind due to its Flutter foundation.
Flet is a software development kit that allows developers to build real-time web, mobile, and desktop applications using only Python, without requiring knowledge of other frontend languages.
How much does Flet cost?
Based on the provided information, Flet appears to be free to use.
Is Flet free?
Yes, Flet is free.
Who is Flet for?
Flet is for Python developers who want to build multi-platform applications (web, mobile, desktop) without needing to learn frontend technologies or other programming languages like Dart, Swift, Kotlin, HTML, or JavaScript.