Selecting the proper framework is essential in the quickly evolving field of mobile app development if you want to build robust and practical cross-platform applications. Flutter has become a popular option among the alternatives, both for developers and for companies. How cross-platform apps are created has been revolutionized by Flutter’s unique features and abilities. This article will examine why Flutter has become so well-known and why it is the best option for creating cross-platform applications.

Who is this article for?
This article is for developers and businesses interested in Cross-Platform app development.
Key takeaways
  • Flutter offers efficient cross-platform app development with a single codebase.
  • Its advantages include a fast UI, hot reload, and excellent performance.
  • App complexity affects development time, but Flutter streamlines the process.

What is the Flutter Framework?

Google released Flutter in May 2017, and it quickly gained popularity due to its distinctive approach to cross-platform app development. In contrast to conventional hybrid frameworks that rely on WebView, Flutter uses the fast Skia rendering engine. This enables Flutter to render UI elements directly, resulting in performance similar to native code and fluid user interfaces.

Flutter logo

Thanks to its responsive framework and programmable widgets, Flutter’s core strength is its capacity to develop expressive and quick user interfaces. With Flutter’s hot reload feature, developers can quickly create attractive apps and see changes in real time without restarting. Because of the speed at which feature-rich applications can be developed through iterative development, Flutter is a productive and affordable option for businesses and developers.

Flutter’s ease of use and cross-platform capabilities make it stand out among other solutions.

The Droids on Roids

How Flutter Works

The exceptional capabilities of Flutter come from its distinct architecture and quick rendering method, which let developers make streamlined cross-platform apps.

  • Single Codebase, Multiple Platforms

“Write once, run anywhere” is the guiding principle of Flutter. Dart programmers create a single codebase, and Flutter’s reactive framework renders the user interface elements on Android and iOS. 

  • The Flutter Engine: Powering Performance

The C++-written Flutter engine is the brains behind the Flutter platform. This engine fills the gap between the native platform and the Dart code, enabling Flutter to perform similarly to native code. 

  • Widgets: The Building Blocks of UI

Widgets are independent components that define layout, interaction, and animation; they are not merely UI elements. 

  • Hot Reload: A Developer’s Dream

This immediate feedback loop quickens the development process and allows experimenting and fixing bugs without restarting the entire app. 

Customization and Flexibility

With Flutter, developers can create one-of-a-kind, gorgeous apps that meet users’ individual needs and preferences.

  • Platform-Specific Integration

 Platform channels let programmers communicate with native APIs, giving them access to native features not included in the Flutter core package.

Why Use Flutter? Pros & Cons

With good reason, Flutter has gained popularity in cross-platform app development. 

Benefits of Flutter App Development

  • Single Codebase, Multiple Platforms: Writing a single codebase for Android and iOS platforms is Flutter’s most significant advantage. 
  • Fast and Expressive UI: It is simple to create stunning UIs, which enhances the user experience.
  • Hot Reload: A Developer’s Dream allows quick tests and bug fixes without restarting the app entirely.
  • Excellent Performance: The outcome is fluid user interfaces and smooth platform animations.
  • Rich Ecosystem and Community: An active community adds to an ecosystem of plugins and packages that are constantly expanding. These plugins and packages address a variety of functionalities and increase Flutter’s capabilities.

Flutter Disadvantages

  • Limited Native Features: To access some platform-specific functionalities, developers may need to write custom code or rely on third-party packages.
  • Large App Size: Flutter apps, including the Flutter engine and framework, may have larger file sizes than native apps. 
  • Dart’s learning curve: New developers may need time to learn the language’s syntax and ideas.
  • Immature Third-Party Libraries: To prevent potential problems in their projects, developers must carefully choose and evaluate the stability of these libraries.

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Apps Built with Flutter

Due to Flutter’s adaptability and capabilities, developers and companies from various sectors have created outstanding cross-platform applications. Let us look at a few well-known apps that were created with Flutter:

1. Google Ads

Google Ads logo

An essential tool for advertisers, the Google app, was created entirely with as an essential tool for advertisersFlutter. With an aesthetically pleasing user interface and effective performance, it provides a seamless user experience.

2. Alibaba

Alibaba logo

The e-commerce behemoth Alibaba used Flutter to create its “Xianyu” app. One of China’s largest second-hand marketplaces, Xianyu, is a testament to Flutter’s abilities thanks to its seamless user experience.

3. Reflectly

Reflectly logo

Reflect, a well-known journaling and self-improvement app, stands out thanks to its exquisite user interface and animations.

4. Hamilton: The Official App

Hamilton: The Official App logo

Fans receive a seamless experience from the official “Hamilton” app, which offers information, ticket reservations, and exclusive content.

5. Watermaniac

Watermaniac logo

A health and fitness app called Watermaniac encourages users to drink water frequently throughout the day.

6. Birch Finance

Birch Finance logo

Users of the personal finance app Birch Finance have access to tools for managing their credit cards and maximizing rewards. 

7. Hookle

Hookle logo

Hookle offers a seamless user experience while allowing users to manage multiple social media accounts from a single platform.

8. Cryptograph

Cryptograph logo

A cryptocurrency portfolio app called Cryptograph provides real-time tracking of digital assets. 

How Long Does It Take to Build a Flutter App?

The app’s complexity, the number of features, the development team’s size, and the developers’ level of expertise can all affect how long it takes to create a Flutter app. Contrary to conventional native app development, Flutter’s streamlined development process and hot reload feature significantly shorten the overall development time.

  • Simple Apps with Basic Features

The development time may be brief for relatively simple apps with simple features. These apps typically have a primary user interface and simple functionality. Depending on the size and requirements of the project, such apps are frequently finished in a few weeks or even days.

  • Moderately Complex Apps

This covers apps with user authentication, data integration, and unique animations. Even though Flutter’s hot reload speeds up development, the added complexity may cause it to take a few weeks or months.

  • Highly Complex and Enterprise-Level Apps

These apps involve complex business logic, intricate data processing, and system integration. In-depth testing and quality control are also essential for such applications. Depending on their size and complexity, developing these apps using Flutter could take several m.onths.

Our Experience With Flutter: Ficus Technologies’ Journey

With Flutter, we at Ficus Technologies have started an exciting journey with outstanding results. As a top tech company focusing on app development, we immediately saw Flutter’s enormous potential and adopted it as a critical component of our cross-platform app development strategy.

1. Embracing Flutter’s Efficiency and Versatility

Flutter’s “write once, run anywhere” philosophy fits in perfectly with our dedication to providing our clients with practical and affordable solutions. With Flutter, we can build beautiful cross-platform apps from a single codebase while preserving quality.

2. Accelerating Development with Hot Reload

The hot reload feature of Flutter has wholly changed our web development process and is one of its most important benefits. Holets our developers lopers to view real-time changes, simplifying experimentation and bug-fquickly improvedquickly improve our apps thanks to this iterative process, ensuring that we can produce high-quality products quickly.

3. Building Intuitive and Expressive UIs

We can design user interfaces that captivate users from the very first interaction thanks to the abundance of customizable widgets in Flutter. Flutter empowers our team to create visually appealing and engaging apps that leave a lasting impression, from intricate animations to smooth transitions.

4. Delivering Top-Notch Performance

At Ficus Technologies, we prioritize performance, and Flutter’s use of the Skia graphics library and the Flutter engine in C++ ensures our apps run as efficiently as possible. Both our clients and users have praised the native-like performance of Flutter apps.

5. Tackling Diverse Projects with Confidence

The adaptability of Flutter has given us the confidence to take on various projects. Flutter has proven to be a dependable and flexible framework for various industries and use cases, whether e-commerce, social media, health, or finance.

6. A Thriving Community and Ecosystem

The thriving ecosystem and community surrounding Flutter further enhance our experience with it. We now have access to a vast array of tools, plugins, and packages thanks to the Flutter community’s continued growth, which enables us to improve our apps by adding new features and functionalities.

7. Client Satisfaction and Success Stories

The slick cross-platform experiences offered by Flutter-built apps have delighted our clients. Flutter has consistently impressed our clients, from startups to well-established businesses, solidifying its position as a top option for app development.


Flutter has revolutionized the development of cross-platform applications. It has become a popular option for developers and businesses alike due to its superior features, effective workflow, and native capabilities, and we at Ficus Technologies firmly believe in its potential. We produce excellent products for our customers using Flutter. Our development process has been sped up by the ability to write a single codebase that can run on multiple platforms, and the hot reload function has made it possible for us to customize our applications quickly. With Flutter’s thriving community and ongoing expansion, we are thrilled to continue to be at the forefront of innovation and provide cutting-edge solutions to our clients. Flutter is the way to go if you are looking for a robust, effective, and cross-platform solution for your app development needs. Join us at Ficus Technologies and embrace Flutter as we embark on a journey to create memorable and transformative apps that will take your company to new heights of success.

How does Flutter’s architecture differ from conventional hybrid frameworks?

Flutter’s architecture stands apart from conventional hybrid frameworks through its use of the Skia rendering engine. While hybrid frameworks often rely on WebView to render user interfaces, Flutter takes a unique approach. The Skia engine allows Flutter to directly render UI elements, resulting in performance comparable to native code. This departure from the traditional WebView-based approach contributes to Flutter’s exceptional fluidity and responsiveness in user interface design. The architecture, combined with Flutter’s reactive framework and programmable widgets, enhances its capacity to deliver expressive and quick user interfaces for cross-platform applications.

What is the guiding principle behind Flutter’s development philosophy?

Flutter’s development philosophy is guided by the principle of “Write once, run anywhere.” This foundational concept emphasizes the creation of a single codebase by Dart programmers. In adhering to this principle, Flutter enables developers to build cross-platform applications that can run seamlessly on both Android and iOS platforms. The “write once, run anywhere” philosophy streamlines the development process, allowing for efficient and consistent deployment across different operating systems. This approach aligns with Flutter’s overarching goal of providing a unified and productive framework for developers engaged in cross-platform app development.

Sergey Miroshnychenko
My company has assisted hundreds of businesses in scaling engineering teams and developing new software solutions from the ground up. Let’s connect.