Flet
Flet: An open-source Python framework for Flutter-based apps across web, desktop, and mobile. Ranked #26 of 62 in Cross-Platform App Development Frameworks by our editors (7.3/10); pricing: Free plan · paid from $25/mo; best for python developers building Flutter-based apps.
At a glance
- Editor score7.3 / 10
- PricingFree plan · paid from $25/mo
- Best forPython developers building Flutter-based apps
- Free planYes
- Paid from$25/mo
- Native API accessYes
- Facts checked28 Sep 2026
Where it wins
- Build web, desktop, and mobile apps from one Python codebase
- Flutter-based controls, hot reload, routing, and deep-link support
- Use Python libraries and test packaged apps with pytest-based tools
Where it doesn't
- The $25 monthly Creator plan is limited to one user
- Creator includes 100 MB of storage
- Web apps require Pyodide/WebAssembly or a server-hosted Python process
Our verdict on Flet
Flet brings Python development to Flutter-based interfaces, with a shared codebase for web, desktop, and mobile applications. Its ready-made controls, event handling, routing, hot reload, and command-line packaging workflow make it a fit for Python developers who want to target Windows, macOS, Linux, iOS, Android, and the web. It also supports custom extensions that wrap Flutter packages and platform integrations, plus Python libraries such as NumPy, pandas, Pillow, and cryptography on mobile. Teams looking for a Python-centered alternative to writing separate platform-specific apps may find the approach relevant; it is less suited to projects that require a different primary language or a larger built-in team plan.
The framework is free and open source; paid plans apply to the optional Flet Studio service. Explorer includes 10 public apps, one user, 20 MB of storage, 1,000 AI credits per month, and community support. Creator costs $25 per month or $300 per year and includes unlimited public and private apps, one user, 100 MB of storage, 10,000 AI credits per month, and Flet support. The published plan details make Creator a step up in app limits, storage, credits, and support, but it remains a single-user plan. Buyers should distinguish the free framework from Studio pricing when comparing costs.
Flet covers app packaging and testing as well as interface development: it can build platform-specific bundles, and its pytest-based tools support packaged-app and screenshot testing. Web deployment can run Python in the browser with Pyodide/WebAssembly or through a server-hosted Python process, giving developers two deployment approaches with different execution models. Documentation, community, and email are listed support channels. Choose Flet if Python, cross-platform reach, and Flutter-based controls are central requirements; consider alternatives if your project depends on a different language or needs multi-user collaboration included in the paid Studio plan.
Flet pricing
Flet fact sheet
| Free plan | Yes |
|---|---|
| Paid from | $25/mo |
| Target platforms | iOS, Android, Windows, macOS, Linux, Web |
| App types | native, web |
| Languages | Python |
| Native API access | Yes |
| Shared code model | High |
| IDE support | Flet Studio (browser) |
| Deployment | Cloud, Desktop, Mobile |
| Platforms | Web, Windows, macOS, Linux, iOS, Android |
| Support | Docs, Community, Email |
| Built for | Solo, Small business, Mid-market (editorial estimate) |
| Pricing | Free plan · paid from $25/mo (source) |
| Website | flet.dev |
| Facts checked | 28 Sep 2026 |
Alternatives to Flet
- FlutterFlutter brings Dart, widget-based UI, and broad platform targets into one framework.9.4
- .NET MAUIA free, open-source framework for C# teams targeting mobile and desktop.9.3
- React NativeAn open-source React framework for native Android and iOS apps, written in JavaScript or TypeScript.9.2
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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