Flutter vs. Kotlin in 2023
Flutter vs. Kotlin in 2023

Flutter vs. Kotlin in 2023

Introduction: The Rise of Cross-Platform Development

Cross-platform development has gained significant traction in recent years, revolutionizing the way businesses reach their customers. With the proliferation of smartphones and a global user base of 3.8 billion in 2021, the mobile app market has exploded, reaching a staggering $365 billion in revenue by 2018. Predictions indicate that this growth will continue, reaching a projected $935.2 billion in 2023.

So, why should you consider cross-platform development for your app? Platforms like Android and iOS dominate the market, with Android commanding a 71.93% share, and iOS claiming 27.47% as of January 2021. Building cross-platform apps allows you to target both markets simultaneously, reaching approximately 99.4% of smartphone users. Moreover, it offers cost-efficiency by reducing the development workload and post-release maintenance.

However, cross-platform development may not always be the best choice. It depends on factors such as the type and complexity of your application, your budget, and the desire for a native feel in your app. In many cases, though, choosing the cross-platform approach proves to be a strategic decision for businesses.

The Benefits of Cross-Platform App Development

What makes cross-platform development so appealing? Let’s delve into its key advantages:

1. Larger Market

Cross-platform development allows you to target a broader audience. The choice between iOS and Android is often driven by personal preference rather than social status, making it challenging to decide. Cross-platform development eliminates this dilemma, covering both markets.

2. Shorter Time-to-Market

Cross-platform development accelerates the process by streamlining code reuse and offering pre-built components, reducing the time required to launch your app.

3. Smaller Workload

You can assemble a team of cross-platform developers, reducing labor costs and enabling smoother communication. While platform-specific developers may be necessary for certain aspects, the majority of your team can consist of cross-platform coders.

4. Faster Development

Reusable code components and a unified codebase expedite development and shorten the testing phase, leading to quicker releases.

5. Cloud Integration

Cross-platform apps seamlessly integrate with the cloud, enhancing accessibility and improving the user experience.

The Best Cross-Platform Frameworks

Several frameworks cater to cross-platform app development, but we’ll focus on three market leaders: React Native, Xamarin Forms, and Flutter, with a special focus on Flutter vs. Kotlin comparison.

React Native

Launched in 2015 by Facebook, React Native offers an open-source mobile app framework known for its native-like feel and performance. Key advantages include:

  • Live-tracking: Hot Reload feature for real-time updates.
  • Third-party plugins: Enhanced flexibility and customizability.
  • Shorter time-to-market: Error highlighting, pre-built components, and code reuse.
  • Modular architecture: Separation of functionalities for optimized coding.

However, for Android app development in React Native, hiring native developers may be necessary for complex features.

Xamarin Forms

Acquired by Microsoft in 2016, Xamarin Forms is a renowned open-source framework. It offers native-like experiences for both iOS and Android and has the following strengths:

  • Native-like experience: Access to native toolkits for high-quality apps.
  • Single language: Uses C# for efficient development.
  • Cost-effectiveness: Saves costs by reusing code.
  • Testing: Provides tools like Xamarin Test Cloud for thorough testing.

However, Xamarin Forms struggles with graphics and has a declining community.


Developed by Google, Flutter is an open-source UI toolkit that allows you to create native-like apps across platforms using a single codebase. It is powered by the Dart programming language. Flutter’s advantages include:

  • Easy to use: Flutter-Dart combo is user-friendly and quick to learn.
  • Open-source and free: Access to code and comprehensive documentation.
  • Real-time output: Hot Reload for instant code changes.
  • Growing popularity: Rapidly gaining recognition in the development community.
  • Great native support: Close to native app performance and aesthetics.

However, Flutter may lack educational resources compared to other languages, and its apps tend to have larger file sizes.

Apps Built Using Flutter

Many leading companies, including Google, Alibaba, and SpaceX, have embraced Flutter for app development. Here are five notable applications developed with Flutter:

1. Google Ads

Google Ads, a Flutter-built app, simplifies ad campaign management, offering real-time insights and alerts.

2. Xianyu (Alibaba)

Xianyu is an eCommerce app by Alibaba, serving over 50 million users with a vast range of product categories.

3. Pairing

Pairing, an online dating app, combines social networking and messaging with an interactive design.

4. PostMuse

PostMuse, built with Flutter, provides a variety of Instagram story templates, enhancing photo and video sharing.

5. SpaceX Go!

SpaceX Go! offers constant updates on Tesla’s space division, providing information on past, present, and future plans.

Conclusion: Flutter vs. Kotlin in 2023

In the ongoing comparison of Flutter vs. Kotlin, both technologies have their merits and shortcomings. Currently, Flutter enjoys greater recognition and support, making it a favored choice. However, Kotlin is on the rise and has the potential to challenge Flutter’s dominance in the future.

Your choice between Flutter and Kotlin depends on your specific project requirements, and it’s essential to consult experts to make the right decision. DOIT Software, a software development company with extensive experience in both technologies, can guide you in choosing the best approach for your project. Whether you opt for Flutter or Kotlin, the cross-platform development landscape is poised for further growth and innovation in 2023 and beyond.

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