Kotlin Vs React Native Vs Flutter – Things to know

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When it comes to developing mobile applications, there are several frameworks and programming languages available, each with its own set of advantages and disadvantages. Kotlin, React Native, and Flutter are three of the most popular technologies for mobile app development, and choosing one can be a tough decision. In this blog, the best web application development company in Bangladesh will discuss the advantages and disadvantages of each technology, as well as their suitability for different types of projects. Let’s know more about Kotlin Vs React Native Vs Flutter.


Kotlin is a statically-typed programming language developed by JetBrains. It runs on the Java Virtual Machine (JVM) and can be used to build Android apps, server-side applications, and desktop applications. Kotlin was designed to be more concise, expressive, and safe than Java, and it has quickly become one of the most popular languages for Android app development.

Advantages of Kotlin

  1. Interoperability with Java: Kotlin is fully compatible with Java, which means that you can use both languages in the same project. This makes it easy to transition from Java to Kotlin, and it also allows you to use existing Java libraries and frameworks.
  2. Concise syntax: Kotlin has a much more concise syntax than Java, which can reduce the amount of code you need to write. This makes Kotlin code easier to read and maintain, and it can also help you write code faster.
  3. Null safety: Kotlin has a type system that helps prevent null pointer exceptions. This can make your code more robust and reduce the likelihood of crashes.
  4. Extension functions: Kotlin supports extension functions, which allow you to add functionality to existing classes without having to modify them. This can make your code more modular and easier to maintain.

Disadvantages of Kotlin

  1. Learning curve: If you are coming from a Java background, you may need to spend some time learning Kotlin’s syntax and features.
  2. Limited documentation: While Kotlin has a growing community and is widely used, it still has less documentation and resources available compared to Java.
  3. Performance: Kotlin may not perform as well as Java in some cases, as it runs on the Java Virtual Machine.

React Native

React Native is a framework for building mobile apps using React, a popular JavaScript library for building user interfaces. React Native allows you to write mobile apps in JavaScript, which can be used on iOS and Android platforms. React Native was developed by Facebook and has become a popular choice for building mobile apps.

Advantages of React Native

  1. Cross-platform development: React Native allows you to build apps for both iOS and Android platforms using a single codebase. This can reduce development time and cost.
  2. Fast development: React Native allows you to build mobile apps quickly, as it uses a component-based architecture that enables code reuse.
  3. Large community: React Native has a large and active community of developers, which means there are plenty of resources and libraries available.
  4. Hot reloading: React Native supports hot reloading, which means you can see changes to your code instantly without restarting the app.

Disadvantages of React Native

  1. Limited access to native features: While React Native allows you to build cross-platform apps, it may not provide access to all native features available on each platform.
  2. Performance: React Native may not perform as well as native apps, as it uses JavaScript to interact with native components.
  3. Debugging: Debugging can be challenging in React Native, as errors can be difficult to trace back to the source code.


Flutter is an open-source mobile application development framework that was introduced by Google in May 2017. Flutter allows developers to build native-like mobile applications for both Android and iOS platforms using a single codebase. It is becoming increasingly popular among developers due to its unique features and advantages. However, like any other technology, Flutter also has its disadvantages. In this blog, we will discuss the advantages and disadvantages of Flutter.

Advantages of Flutter:

  1. Faster development process: Flutter allows developers to build mobile applications faster than other frameworks. It comes with a hot reload feature that allows developers to see the changes made in the code in real time. This feature eliminates the need to rebuild the entire application after making changes to the code.
  2. Single codebase for both platforms: One of the most significant advantages of Flutter is that it allows developers to write a single codebase for both Android and iOS platforms. This means that developers do not need to write separate code for each platform, which reduces the development time and cost.
  3. High-performance: Flutter uses Dart programming language, which is compiled into native code, making the performance of the application very high. It also uses a widget-based architecture that helps in creating high-performance applications.
  4. Great UI/UX: Flutter comes with a set of customizable widgets that are designed according to the Material Design guidelines. These widgets can be easily customized to create a unique user interface for the application. Flutter also provides a set of animation APIs that help in creating a rich user experience.
  5. Open-source: Flutter is an open-source framework, which means that it is free to use, and developers can contribute to its development. This makes Flutter a cost-effective solution for mobile application development.

Disadvantages of Flutter:

  1. Large app size: Flutter apps can be larger in size compared to native apps because they require a built-in widget set and a rendering engine. This can be a challenge for users with limited storage space on their devices.
  2. Limited libraries and packages: Although Flutter has a vast collection of pre-built widgets, it has limited libraries and packages when compared to other frameworks like React Native.
  3. Limited community support: Flutter is a relatively new technology, so community support is still growing. This can make it difficult to find solutions to some specific problems.
  4. Steep learning curve: Flutter has a different programming language (Dart) and a unique development paradigm, which can make it challenging for new developers to learn.
  5. Debugging can be tricky: Debugging Flutter apps can be more challenging than native apps, and sometimes it requires developers to use third-party tools.
  6. Limited native functionality: Flutter relies on plugins to access native functionality, and not all native features may be available in plugins.
  7. Not suitable for complex apps: Flutter is not suitable for developing large and complex apps that require a lot of native functionality and hardware interaction.

Overall, Flutter is a powerful framework for developing mobile apps, but it may not be the best fit for every project, and it’s essential to consider its disadvantages before choosing it for your app development needs. You may be interested in Web Design Services Vs Graphic Design – Brief Comparison

How to choose a top mobile app development company

Choosing a mobile app development company with Kotlin Vs React Native Vs Flutter can be a challenging task, as there are many factors to consider, including expertise, experience, pricing, communication, and project management. However, with proper research and evaluation, you can find a reliable and competent partner to bring your app idea to life. Read The benefits of MVC architecture

To choose the right mobile app development company for Kotlin Vs React Native Vs Flutter, consider the following steps:

  1. Define your app requirements and objectives clearly.
  2. Research potential companies and check their portfolios and reviews.
  3. Check the expertise and experience of the company in the specific technology and platform you need.
  4. Evaluate their communication and project management processes.
  5. Discuss the pricing and development timeline with the company.


Choosing the right mobile app development company can have a significant impact on the success of your app. By following the above steps and carefully evaluating potential partners, you can find a competent and reliable team with Kotlin Vs React Native Vs Flutter to bring your app idea to life. For low-cost web design services in Bangladesh call us.

Bhavitra Techsolutions is the top most website design & development company in Bangladesh. At bhavitrabd, we provide quality custom web design & development services along with 360 degree digital marketing services in Bangadesh.

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