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.

Available on: Web, iOS, Android, Windows, Linux, macOS

Data compiled by Toolradar How we evaluate

Source flet.dev

Key Features

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)
Built-in packaging for standalone executables and bundles
Mobile device testing with Flet App
Extensible to wrap Flutter packages or build new Python controls

Pricing

Free

Flet is completely free to use with no hidden costs.

View pricing

Flet by the numbers

Flet compared with 164 App Builders tools on Toolradar, as of Nov 2026
Metric	Flet	Peer median	Position (1 is best)
Free plan	Yes	70% have one	n/a
Listed as an alternative to	6 tools	2	#40 of 164 (joint)
Compare-page visits, last 30 days	41 visits	34	#19 of 47 (joint) tools with 20+ compare-page visits

Listed as an alternative to: #38 on 2026-10-16 to #40 on 2026-11-02 (rank among 164 tools, 1 is best).

Each position is counted among the tools that have data for that row, as noted under it. All App Builders data · How we compute this. Advertising and placement fees are not inputs to any position. Visit counts include visits from every source.

Cite this: Toolradar, “Flet by the numbers”, Nov 2026.

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Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

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Flet FAQ

How does Flet enable cross-platform development?

Flet allows developers to build applications for web, mobile, and desktop using a single Python codebase. This eliminates the need for separate development efforts or different programming languages for each platform, supporting iOS, Android, Windows, Linux, macOS, and web.

Which teams would benefit most from using Flet?

Teams that primarily use Python and want to develop multi-platform applications without needing frontend expertise will find Flet beneficial. It's suitable for developers who wish to leverage existing Python libraries for mobile and desktop app creation.

How does Flet compare to FlutterFlow for UI development?

Flet enables UI development using pure Python and leverages Flutter to render UI widgets, offering over 150 built-in controls with Material and Cupertino design. Unlike FlutterFlow, Flet focuses on Python as the sole language for application development across all platforms.

Can Flet applications be deployed to app stores?

Yes, Flet includes built-in packaging capabilities that allow developers to create standalone executables or bundles for various platforms. This feature simplifies the process of deploying applications to respective app stores.

What kind of UI components does Flet offer?

Flet provides a rich set of over 150 built-in UI controls and services, including options for layout, navigation, dialogs, and charts. These components are rendered using Flutter, ensuring modern Material and Cupertino design principles.

Does Flet include a free tier?

Flet is free to use, meaning there is no paid plan required to access its features and build applications. This allows developers to utilize the platform without incurring costs.

How does Flet handle real-time updates during development?

Flet allows developers to test their projects on mobile devices using the Flet App, where updates are reflected in real-time as changes are made. For web applications, it supports real-time UI updates when deployed as Python web apps.

Source: flet.dev

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