# Avalonia UI vs Flutter

**Leader by vioscaleAI score:** Flutter

| Attribute | Avalonia UI | Flutter |
|---|---|---|
| **vioscaleAI score** | 51.6 (30% (low)) | 63.5 (78% (high)) |
| activity.commits_last_30d | - | 100 |
| adoption.dependent_repos | - | 9 |
| adoption.github_stars | - | 179,359 |
| content.faq | `[{"answer":"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. It is indexed under Desktop App Frameworks.","source":"https://avaloniaui.net/pricing","question":"What is Avalonia UI?","confidence":0.6},{"answer":"Avalonia UI offers a free tier, so you can start without paying. Paid plans start at €299 per user per year. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://avaloniaui.net/pricing","question":"Is Avalonia UI free?","confidence":0.6},{"answer":"Avalonia UI supports the web, Windows, macOS, Linux, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://avaloniaui.net/pricing","question":"What platforms does Avalonia UI support?","confidence":0.6},{"answer":"Yes. Avalonia UI can be deployed on-premise and air-gapped, so it does not have to run on the vendor's infrastructure.","source":"https://avaloniaui.net/pricing","question":"Can Avalonia UI be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Avalonia UI. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Avalonia UI not holding them. Always confirm compliance directly before you rely on it.","source":"https://avaloniaui.net/legal/privacy-policy","question":"What security certifications does Avalonia UI have?","confidence":0.7},{"answer":"Avalonia UI is available worldwide. Its primary markets are the United States, the EU and the United Kingdom. The vendor is headquartered in Estonia.","source":"https://avaloniaui.net/pricing","question":"Where is Avalonia UI available?","confidence":0.75}]` | `[{"answer":"An 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. It is indexed under Mobile App Frameworks.","source":"https://flutter.dev","question":"What is Flutter?","confidence":0.6},{"answer":"Flutter is open source, so it can be self-hosted and used at no licence cost. It is released under the BSD-3-Clause licence. Pricing changes often, so verify at source before relying on it.","source":"https://flutter.dev","question":"Is Flutter free to use?","confidence":0.6},{"answer":"Flutter supports the web, Windows, macOS, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://flutter.dev","question":"What platforms does Flutter support?","confidence":0.6},{"answer":"Yes. Flutter can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://flutter.dev","question":"Can Flutter be self-hosted?","confidence":0.6},{"answer":"We have confirmed 9 integrations for Flutter, including Firebase, Google Play, Google Pay, Google Wallet, Google Maps, Google Ads, Figma and CameraX, plus 1 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://flutter.dev","question":"What does Flutter integrate with?","confidence":0.6},{"answer":"Yes. Flutter is published under the BSD-3-Clause licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/flutter/flutter","question":"Is Flutter open source?","confidence":0.95},{"answer":"Flutter is available worldwide. The vendor is headquartered in the United States.","source":"https://flutter.dev","question":"Where is Flutter available?","confidence":0.75}]` |
| deployment.options | `{"air_gapped":true}` | `{"self_hosted":true}` |
| description.long | 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. | An 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. |
| features.capabilities | `{"hot_reload_dev":true,"native_look_and_feel":false,"mobile_target_support":true}` | `{"targets":"iOS, Android, Web, Desktop (Windows, macOS, Linux), Embedded","approach":"multiplatform","language":"Dart","hot_reload":true,"web_target":true,"hot_reload_dev":true,"native_widgets":true,"bundled_runtime":true,"desktop_support":true,"official_ui_kit":true,"single_codebase":true,"typescript_first":false,"native_api_access":"plugin_bridged","native_look_and_feel":true,"accessibility_support":true,"mobile_target_support":true}` |
| integrations.count | 5 | 7 |
| integrations.list | `[{"name":"Visual Studio","native":true,"category":"ide"},{"name":"VS Code","native":true,"category":"ide"},{"name":"Claude Code","native":true,"category":"ai","direction":"inbound"},{"name":"GitHub Copilot","native":true,"category":"ai","direction":"inbound"},{"name":"Codex","native":true,"category":"ai","direction":"inbound"}]` | `[{"name":"Firebase"},{"name":"Google Play"},{"name":"Google Pay"},{"name":"Google Wallet"},{"name":"Google Maps"},{"name":"Google Ads"},{"name":"Figma"},{"name":"CameraX","native":true,"category":"media"},{"name":"Android Studio","native":true,"category":"development"},{"name":"pub.dev","native":true,"category":"package_management"}]` |
| language.primary | - | Dart |
| license.spdx | - | BSD-3-Clause |
| market.availability | `{"hqCountry":"EE","primaryMarkets":["US","EU","GB"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"ios":true,"web":true,"linux":true,"android":true,"windows":true}` | `{"cli":true,"ios":true,"mac":true,"web":true,"linux":true,"android":true,"windows":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Free","summary":"Free, open-source","features":["MIT licensed framework","Cross-platform support","70+ built-in controls","Community support via GitHub"],"contactSales":false},{"free":false,"name":"Plus","summary":"€299/seat/year","features":["Everything in Free","Avalonia for Visual Studio extension","Avalonia for Code (VS Code) extension","DevTools","Build MCP","DevTools MCP","Parcel MCP"],"commitment":"annual","components":[{"kind":"per_unit","unit":"seat","amount":299,"period":"year","currency":"EUR"}],"contactSales":false},{"free":false,"name":"Pro","summary":"€899/seat/year","features":["Everything in Plus","6 premium UI controls","70+ charts and data visualizations","Priority GitHub responses"],"commitment":"annual","components":[{"kind":"per_unit","unit":"seat","amount":899,"period":"year","currency":"EUR"}],"contactSales":false},{"free":false,"name":"Enterprise","summary":"€6,999/seat/year","features":["Everything in Pro","Commercial component source code access","SLA and dedicated engineering support","Quarterly technical check-ins","Long-Term Support releases","Air-gapped deployment support"],"commitment":"annual","components":[{"kind":"per_unit","unit":"seat","amount":6999,"period":"year","currency":"EUR"}],"contactSales":true}],"summary":"Free open-source tier; Plus from €299/seat/year; Pro €899/seat/year; Enterprise €6,999/seat/year","currency":"EUR","freeTier":true,"sourceUrl":"https://avaloniaui.net/pricing","retrievedAt":"2026-09-04T22:12:42.486Z","startingPrice":{"unit":"seat","amount":299,"period":"year","currency":"EUR"},"billingPeriods":["year"]}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://flutter.dev","retrievedAt":"2026-08-14T16:46:30.818Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | open_source |
| pricing.price_level | high | free |
| pricing.starting_price | `{"amount":299,"currency":"EUR"}` | - |
| pricing.transparent | yes | - |
| release.cadence_days | - | 32 |
| release.history | - | `[{"url":"https://github.com/flutter/flutter/releases/tag/3.19.0-0.1.pre","date":"2024-01-11T18:31:57Z","type":"stable","version":"3.19.0-0.1.pre"},{"url":"https://github.com/flutter/flutter/releases/tag/3.18.0-0.1.pre","date":"2023-12-12T00:03:37Z","type":"stable","version":"3.18.0-0.1.pre"},{"url":"https://github.com/flutter/flutter/releases/tag/3.17.0-0.1.pre","date":"2023-12-11T23:58:45Z","type":"stable","version":"3.17.0-0.1.pre"},{"url":"https://github.com/flutter/flutter/releases/tag/3.16.0-0.1.pre","date":"2023-10-20T15:41:27Z","type":"stable","version":"3.16.0-0.1.pre"},{"url":"https://github.com/flutter/flutter/releases/tag/3.15.0-15.1.pre","date":"2023-09-15T17:18:40Z","type":"stable","version":"3.15.0-15.1.pre"},{"url":"https://github.com/flutter/flutter/releases/tag/3.14.0-0.1.pre","date":"2023-08-21T19:24:14Z","type":"stable","version":"3.14.0-0.1.pre"},{"url":"https://github.com/flutter/flutter/releases/tag/3.13.0-0.1.pre","date":"2023-07-12T18:58:22Z","type":"stable","version":"3.13.0-0.1.pre"}]` |
| security.disclosure_policy | - | yes |
| security.gdpr | yes | - |
| security.scorecard | - | 7 |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fflutter%2Fflutter&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Desktop App Frameworks)

| Capability | Avalonia UI | Flutter |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Native look and feel | ✗ | ✓ |
| Bundled runtime | - | ✓ |
| Auto update builtin | - | - |
| Code signing support | - | - |
| App store distribution | - | - |
| Hot reload dev | ✓ | ✓ |
| Accessibility support | - | ✓ |
| Mobile target support | ✓ | ✓ |
| Ide bundled | - | - |

*Source: vioscaleAI. Generated 2026-10-16T18:26:29.596Z. "-" = undocumented, not absent.*