Avalonia UI vs Flutter
On the evidence we track, Flutter leads this comparison with a composite score of 64/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
Capabilities
Feature-by-feature on the axes that matter for desktop app frameworks. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Avalonia UI
An open-source, MIT-licensed framework that allows developers to build applications for Windows, macOS, Linux, iOS, Android, and WebAssembly using shared C# and XAML code. It renders custom user interfaces consistently across all target platforms by implementing its own UI drawing rather than relying on platform-native controls.
Flutter
LeaderAn open-source framework that compiles applications to native machine code for mobile and desktop platforms, and to JavaScript for web, enabling developers to create apps for multiple platforms using a single Dart codebase.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Avalonia UI
Free open-source tier; Plus from €299/seat/year; Pro €899/seat/year; Enterprise €6,999/seat/year
- FreeFree
- MIT licensed framework
- Cross-platform support
- 70+ built-in controls
- Community support via GitHub
- Plus€299/seat/year
- Everything in Free
- Avalonia for Visual Studio extension
- Avalonia for Code (VS Code) extension
- DevTools
- Build MCP
- +2 more
- Pro€899/seat/year
- Everything in Plus
- 6 premium UI controls
- 70+ charts and data visualizations
- Priority GitHub responses
- EnterpriseContact sales
- Everything in Pro
- Commercial component source code access
- SLA and dedicated engineering support
- Quarterly technical check-ins
- Long-Term Support releases
- +1 more
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
Avalonia UI
- Visual Studio
- VS Code
- Claude Code
- GitHub Copilot
- Codex
Flutter
Leader- Firebase
- Google Play
- Google Pay
- Google Wallet
- Google Maps
- Google Ads
- Figma
- CameraX
- Android Studio
- pub.dev
Avalonia UI or Flutter: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.