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Flutter VS Avalonia

Compare Flutter VS Avalonia and see what are their differences

Flutter logo Flutter

Build beautiful native apps in record time 🚀

Avalonia logo Avalonia

A multi-platform .NET UI framework
  • Flutter Landing page
    Landing page //
    2021-12-14
  • Avalonia Landing page
    Landing page //
    2022-05-01

Flutter features and specs

  • Cross-Platform Development
    Flutter allows you to create applications that run on multiple platforms, including iOS, Android, web, and desktop, using a single codebase, thereby significantly reducing development time and effort.
  • Hot Reload
    The Hot Reload feature allows developers to see the results of their code changes almost instantly without a full restart, boosting productivity and making the debugging process more efficient.
  • Rich Set of Pre-Built Widgets
    Flutter offers a comprehensive collection of customizable widgets that follow modern design guidelines, allowing developers to build attractive and consistent UIs effortlessly.
  • Performance
    Flutter applications are compiled directly to native ARM code, which can result in superior performance comparable to native applications.
  • Strong Community Support
    As an open-source project, Flutter has a large and active community, providing abundant resources, third-party libraries, and plugins to accelerate development.

Possible disadvantages of Flutter

  • Large App Size
    Flutter apps tend to have a larger file size compared to native apps, which could be a concern for users with limited storage space or slow internet connections.
  • Limited Ecosystem
    While Flutter is growing rapidly, its ecosystem is not yet as mature as those of more established frameworks, meaning that certain third-party libraries, tools, and plugins might be lacking or underdeveloped.
  • Platform-Specific APIs
    Despite its cross-platform capabilities, Flutter may require the development of custom platform-specific code for certain functionalities, which could complicate the development process.
  • Learning Curve
    Flutter uses Dart, a programming language that is less commonly used compared to JavaScript, Java, or Swift, which may result in a steeper learning curve for new developers.
  • State Management Complexity
    Managing states effectively in large applications can be challenging in Flutter, potentially leading to convoluted code if not handled properly.

Avalonia features and specs

  • Cross-Platform
    Avalonia supports Windows, macOS, and Linux, enabling developers to write a single codebase that runs on multiple platforms.
  • MVVM Support
    Avalonia has strong support for the Model-View-ViewModel (MVVM) pattern, which can help developers create maintainable and scalable applications.
  • Rich Styling System
    Avalonia provides a powerful styling system similar to CSS, giving developers the ability to easily customize the appearance of their applications.
  • Open Source
    Being open-source, Avalonia allows developers to contribute to its development, inspect the codebase, and ensure long-term viability without vendor lock-in.
  • Community Support
    Avalonia has an active and growing community, which can be beneficial for troubleshooting issues, finding resources, and sharing knowledge.
  • ReactiveUI Integration
    It integrates seamlessly with ReactiveUI, a powerful reactive programming library, for building dynamic and responsive applications.

Possible disadvantages of Avalonia

  • Maturity
    Avalonia is relatively young compared to more established frameworks like WPF or WinForms, which might result in fewer features and stability issues.
  • Smaller Ecosystem
    Given its younger age, Avalonia has a smaller ecosystem with fewer third-party libraries, tools, and components available for developers.
  • Performance
    Depending on the complexity of the application, performance may not be on par with native frameworks, especially on resource-intensive tasks.
  • Learning Curve
    Developers new to Avalonia may face a learning curve, especially if they are not familiar with its MVVM pattern and reactive programming paradigms.
  • Documentation
    Although improving, the documentation for Avalonia might not be as comprehensive or as polished as that of more mature frameworks.
  • Platform-Specific Issues
    Cross-platform development can bring platform-specific issues and inconsistencies that developers need to handle, which can increase complexity.

Flutter videos

beginning of flutter youtube channel

Avalonia videos

A Cross Platform .NET UI Framework - Hello World in Avalonia UI

More videos:

  • Review - Nikita Tsukanov - AvaloniaUI - cross-platform XAML-oriented .NET UI framework
  • Review - Avalonia XAML debugging. Where is your WPF/UWP/Xamarin.Forms now?

Category Popularity

0-100% (relative to Flutter and Avalonia)
Development Tools
76 76%
24% 24
Developer Tools
100 100%
0% 0
Rapid Application Development
JavaScript Framework
100 100%
0% 0

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Flutter and Avalonia

Flutter Reviews

Explore 9 Top Eclipse Alternatives for 2024
With Flutter 2’s release in 2021, developers now have full support to construct intuitive Windows apps, marking another milestone in Flutter’s inclusive cross-platform vision.
Source: aircada.com
Top 10 Flutter Alternatives for Cross-Platform App Development
So, above are some of the Flutter alternatives you can consider for your upcoming projects. To make the right selection, you should analyze the characteristics of your applications, which will help you make the most appropriate selection. You can also get in touch with a Flutter development company to go with the right option.
Top 5 Flutter Alternatives for Cross-Platform Development
Qt’s native capabilities contribute to its good app performance and size. Compared to Flutter, Flutter apps tend to be larger than native apps. However, the framework’s features and language are designed to boost Flutter app performance.
Source: www.miquido.com
Exploring 15 Powerful Flutter Alternatives
Beyond official Flutter built by Google, Flutter Community is an open-source fork-adding capability and component. Flutter Community has specifically expanded device testing coverage beyond Google’s in-house capabilities. With contributors volunteering devices for testing worldwide, Flutter Community tracks compatibility across over 3000 device variants spanning multiple...
Top 10 Android Studio Alternatives For App Development
Flutter is a framework that is used by stack developers to build multi-platform apps from a single codebase. It is an open-source project which was developed by Google to build app UI.

Avalonia Reviews

We have no reviews of Avalonia yet.
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Social recommendations and mentions

Based on our record, Flutter should be more popular than Avalonia. It has been mentiond 359 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Flutter mentions (359)

  • React v19 has been released
    I don't agree but if you're looking for something that renderers everything in a canvas it's called Flutter https://flutter.dev/, and strangely it's made by Google, even though Flutter's success means the end of scraping the web for search. - Source: Hacker News / about 1 month ago
  • Uno Platform Studio: GUI Designer for Cross-Platform .NET Applications
    C# and Uno, C# and Avalonia (https://avaloniaui.net/), Dart and Flutter (https://flutter.dev/) are all interesting options for WebAssembly application development. It's nice to be able to do cross platform desktop applications that can also be compiled for web delivery. - Source: Hacker News / about 2 months ago
  • Build a Youtube Clone with Strapi and Flutter: Part 3
    In Part 3, we'll learn how to build the frontend with Flutter and consume the APIs to implement a functional YouTube clone application. Before we move futher, let's look at the folder structure for the Flutter app we'll be building:. - Source: dev.to / 2 months ago
  • Should JavaScript be split into two languages? Google proposal divides opinion
    > I'd rather we just move to native cross platform applications and stop using a document browser to build interactive applications Here you go. Do both native and wasm: https://avaloniaui.net/ https://platform.uno/ https://flutter.dev/. - Source: Hacker News / 2 months ago
  • Why I'm skeptical of rewriting JavaScript tools in "faster" languages
    Just do the whole thing in WebAssembly. Minimal dependencies and pixel perfect in all browsers. The distinction is applications versus documents. Works for Dart with Flutter: https://flutter.dev/ https://www.youtube.com/watch?v=Nkjc9r0WDNo https://www.youtube.com/watch?v=qx42r29HhcM https://wonderous.app/web/ Works for C# with Avalonia UI: https://avaloniaui.net/ https://www.youtube.com/watch?v=6mwQDPlbF5Y... - Source: Hacker News / 3 months ago
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Avalonia mentions (133)

  • Uno Platform Studio: GUI Designer for Cross-Platform .NET Applications
    C# and Uno, C# and Avalonia (https://avaloniaui.net/), Dart and Flutter (https://flutter.dev/) are all interesting options for WebAssembly application development. It's nice to be able to do cross platform desktop applications that can also be compiled for web delivery. - Source: Hacker News / about 2 months ago
  • Visual Basic 6 IDE recreated in C#
    Slightly off topic, but this was built using Avalonia, which I have never heard of. Has anyone used it? The promise sounds impressive (beautiful, cross-platform applications from a single .NET codebase), just wondering whether it actually delivers? https://avaloniaui.net/. - Source: Hacker News / about 2 months ago
  • Visual Basic 6 rebuilt in C# – complete with form designer and IDE in browser
    It's written in Avalonia so you could easily compile a desktop version if you wanted, although the author doesn't package one explicitly https://avaloniaui.net/ https://github.com/BAndysc/AvaloniaVisualBasic6. - Source: Hacker News / about 2 months ago
  • A comparison of Rust's borrow checker to the one in C#
    You should checkout AvalonuiaUI[0] or unoPlatform[1] if wanting to target web/mobile/window/linux/macOS if building for the web online, asp.net core runs on Linux servers as well as windows and there's MAUI [2] ( not a fan of this), you are better-off with with the others. In summary c# and .NET is cross-platform, third party developers build better frameworks and tools for other platform while Microsoft prefers... - Source: Hacker News / 2 months ago
  • Should JavaScript be split into two languages? Google proposal divides opinion
    > And even if it were accomplished in a central open source library like Flutter, that adds a considerable amount to the package size of any application. The download really isn't much different to a typical website. That Flutter demo in wasm is 2 megabytes. Avalonia UI's WebAssembly uses canvas in C#: https://avaloniaui.net/ Uno Platform's WebAssembly implementation uses the DOM rather than drawing to... - Source: Hacker News / 2 months ago
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What are some alternatives?

When comparing Flutter and Avalonia, you can also consider the following products

React Native - A framework for building native apps with React

Uno Platform - Build Mobile, Desktop and WebAssembly apps with C# and XAML.

import.io - Import. io helps its users find the internet data they need, organize and store it, and transform it into a format that provides them with the context they need.

Qt - Powerful, flexible and easy to use, Qt will help you not only meet your tight deadline, but also reduce the maintainable code by an astonishing percentage.

Ionic Framework - A front-end SDK to develop applications with HTML5 , CSS3 and JavaScript.

wxWidgets - wxWidgets: Cross-Platform GUI Library