Flutter vs. Xamarin: Which cross-platform framework is Best?

An In-Depth Analysis of Flutter vs. Xamarin for Cross-Platform App Development


July 21 , 2023 Posted by Admin

Cross-platform apps are in high need in today’s fast-paced digital world. Businesses and companies are looking for effective ways to reach a larger audience. One technique they use in creating apps that work well on multiple platforms is the usage of powerful kits such as Flutter and Xamarin. These kits enable mobile app developers to make high-quality apps on multiple platforms. You must pick the right platform to make an app that fits your business.

As a leading cross-platform app development company, we explore the necessity of picking an excellent framework for your project. This blog compares two approved frameworks, Flutter and Xamarin. It will help you pick which one to operate for your next cross-platform app development project.

What is Flutter?


Google made Flutter, an open-source UI software development kit (SDK). Businesses can use it to develop fully compiled Android, iOS, web, and desktop apps. It uses the Dart computer language and has many widgets. Developers can use it to make visually appealing and performant user interfaces.

What is Xamarin?


Microsoft bought Xamarin, an open-source system. It lets mobile app developers make native apps for Android, iOS, and Windows using a single shared codebase. It uses the computer language C# and gives access to the underlying native APIs. You can ensure that the apps have a native look and feel.

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A detailed look at Flutter and Xamarin


After learning about Flutter and Xamarin terms, now look at the in-depth comparison between them.



People go for Flutter for its impressive performance. It has a rendering engine that is very well-tuned and lets graphics run swiftly and smoothly.

Flutter uses the Skia graphics library. It is a powerful 2D graphics engine with hardware-accelerated rendering. Flutter apps can exercise the device’s GPU to show visually appealing and responsive user interfaces.

On the other hand, Xamarin apps strive for near-native performance. Xamarin makes this feasible by letting developers directly access local APIs. Developers can use the features of each operating system’s platform. Xamarin apps can fully utilize the underlying hardware and software features like Direct Access to Native APIs, Native User Interface (ensuring they adhere to each platform’s design guidelines and conventions), and seamless integration with third-party libraries.

But it’s necessary to note that Xamarin adds another layer of abstraction because the common codebase is compiled to an intermediate language (IL) and then translated to local code at runtime. This extra layer introduces a slight performance above compared to fully native apps.


Since it came out, Flutter has become very famous. Its youthful and keen community is one of the top specialties that makes it famous.

The Flutter community works together to make tools, packages, and plugins. Developers can easily add untried features to their apps. This robust support from the community makes it easy for developers to question for help, portion information, and exhibit their work. Also, Flutter is easy for developers of all ability levels to exercise because it has a lot of documentation and tools. These tools are Flutter SDK, Flutterfire, and Flutter Gallery, and packages include UI components, networking, state management, database integration, and more.

Xamarin has been on the market longer and has a team of developers who work hard on it. Enterprises exercise it a lot, especially those already invested in Microsoft’s environment.

Xamarin works well with Visual Studio, Azure, and other Microsoft kits and services. Businesses can make a good choice for a unified performing environment. Because Xamarin works with Microsoft, it gets reliable technical help and updates regularly.

Development Languages

Flutter’s leading language for creating apps is Dart, a computer language. Dart is known for being straightforward to learn, so coders with different levels of time can exercise it. Dart has many features and recent language structures, like a robust type system, asynchronous programming support, and the ability to “hot-reload” code.

Dart might be new to some developers, but its easy syntax and familiar concepts make it easy to learn. However, developers with prior experience in other computer languages must spend time learning Dart.

Because it is part of the Microsoft environment, many developers use C# language to make apps. C# is helpful in web and desktop programming, so numerous developers have already explored how to exercise it.

When developers exercise C# in Xamarin, they can use the skills and information they already have. C# has powerful features like robust type checking, trash collection, and vast framework support. This familiarity with C# can lead to faster development and smoother collaboration within development teams.


Xamarin enables developers to access native UI components directly. Developers can use the platform-specific UI elements and features that Android and iOS provide.

Flutter widgets include simple buttons, text areas, and more complicated features like lists, grids, and animations. The widget-based technique lets developers establish interfaces declaratively, describing the UI’s visual hierarchy and how it works. With Flutter’s broad range of widgets, developers can make interfaces that look great, are fun to use, and are the same on all devices.

With Xamarin, developers can achieve straight access to local UI components. Developers can use each device’s UI elements and fresh features, like those found in Android and iOS. Xamarin.Forms is a user interface (UI) framework part of Xamarin. It provides a place of cross-platform UI controls that cover platform-specific details and lets developers compose code that works on both platforms.

But Xamarin lets developers exercise platform-specific APIs and user interface (UI) components when needed. This tactic ensures that Xamarin apps have a native look and feel. It can take advantage of each platform’s specific design guidelines and behaviors.

Code Reuse

Flutter is excellent at reusing code and uses the “write once, run anywhere” approach. Developers share a significant portion of their codebase across different platforms.

With Flutter, developers can exercise the Dart computer language to compose a single codebase for iOS, Android, the web, and desktop. Since developers only keep handling and publishing a single codebase, it dramatically reduces duplicate code and development time. The Flutter framework provides widgets and application coding interfaces (APIs) that cover platform differences. Developers can easily invent multiple platforms and reuse code.

Through its shared project or.NET Standard tools, Xamarin makes it feasible to portion code. With the shared project method, developers can create a shared codebase with logic and user interface (UI) parts that work on any platform. Any changes in the shared codebase automatically reflect in the individual platform projects, ensuring consistency and easy maintenance.

Developers can also use .NET Standard libraries, which let them portion code across systems in a more structured and modular way. Xamarin.Forms is a user interface (UI) framework part of Xamarin. It helps developers portion code by letting them develop a single UI codebase that works on multiple platforms. By sharing business logic and basic functionality, Xamarin cuts down on the quantum of code to write and makes it easier to maintain.

Help and Ecosystem

Flutter has a robust ecosystem that helps developers with all the techniques like Widget-Based UI Development, Dart Programming Language, Flutter DevTools, etc., through creating an app. The Flutter community is engaged and growing, which helps the framework keep getting better. Flutter gets updates, bug fixes, and new features regularly. Coders can exercise the latest improvements to the framework. The documentation for Flutter is very long and covers a lot of information. It gives writers directions and examples to help them learn and build.

Also, Flutter’s ecosystem has a lot of plugins and packages contributed by the community. These add-ons make it easy for developers to add untried features like Image Processing and Manipulation, Maps and Geolocation, Firebase Integration, etc., to their projects.

Microsoft strongly supports Xamarin, giving developers reliable technical support and tools. With Microsoft’s help, Xamarin can keep up with the latest platform changes and improvements. Popular Microsoft kits and services, like Visual Studio and Azure, work well with Xamarin, making it easy for developers to leverage familiar tools and workflows.

The Xamarin ecosystem is mature and well-established, and the community has added a broad range of plugins and libraries. These plugins add to what Xamarin apps can do, covering domains like database connection, networking, and user interface (UI).


Because Flutter is an open-source platform, you can use it for free. Flutter coding does not cost anything in terms of licenses. There are both free and paid versions of Xamarin. You will see most of the necessary features in the free version, while the paid version (Xamarin.Forms) has more enterprise-level features.


When looking for great mobile app developers in cross-platform app development, it is necessary to assume certain factors. The factors are the expertise of your development team and your long-term goals. There is no one-size-fits-all decision to choose between them.

Flutter sticks out for its brilliant performance and impressive UI skills, an excellent choice for creating visually appealing and high-performing apps. Xamarin, on the other hand, integrates well with Microsoft Kit and has a robust community help system.

By diligently weighing the factors discussed in this comparison, you can make an educated choice and pick the tremendous cross-platform framework for your project. So contact our cross-platform app development company now to make the right choice.

Also Read: 6 fool proof reasons to hire mobile app development services

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