Can Existing Native App Code Be Converted to Dart for Flutter?

iTechnolabs-Can Existing Native App Code Be Converted to Dart for Flutter

Flutter is an open-source mobile application development framework created by Google. It uses the Dart programming language to build high-performance and visually appealing apps for both iOS and Android platforms.

One of the main benefits of using Flutter is its ability to create cross-platform apps with a single codebase. This means developers don’t have to write separate code for iOS and Android, resulting in faster development and easier maintenance.

But what about existing native app code? Can it be converted to Dart for Flutter? The answer is yes, but it’s not a simple task.

Converting Native App Code to Dart

Converting native app code to Dart for Flutter can save time and resources for developers. It also allows them to take advantage of the features and benefits of Flutter without having to start from scratch.

There are a few ways to convert native app code to Dart:

  • Manual Conversion: This approach involves rewriting the existing code in Dart specifically for Flutter. While it may require more time and effort, it offers developers greater control over the conversion process. By manually converting the code, developers can optimize it for better performance, ensuring that it aligns seamlessly with the Flutter framework.
  • Third-Party Tools: Alternatively, there are various third-party tools available that claim to automate the conversion of native code to Dart for Flutter. These tools aim to simplify the process and save developers time by automatically converting the codebase. However, it is important to note that the accuracy and effectiveness of these tools can vary. Careful consideration and testing should be done before relying solely on automated conversion tools.
  • Using Plugins: Another approach is to leverage plugins to integrate existing native code into a Flutter project. This method can be particularly useful for incorporating specific functionalities or features that are not yet supported by Flutter. By utilizing plugins, developers can tap into the capabilities of the native code while still benefiting from the advantages of Flutter’s cross-platform development environment.

Each of these approaches presents its own set of advantages and considerations. Developers should carefully evaluate their project requirements, resources, and expertise to determine the most suitable method for converting native code to Dart for Flutter.

Considerations for Converting Native App Code

Before converting native app code to Dart for Flutter, there are a few things developers should consider:

  • Compatibility: When considering converting native code to Dart for Flutter, developers should carefully evaluate the existing codebase. It’s important to identify and assess any potential limitations or challenges that may arise during the conversion process. By thoroughly understanding what can and cannot be converted, developers can make informed decisions and plan accordingly.
  • Performance Impact: Converting native code to Dart for Flutter may have implications for the overall performance of the application. It is crucial to conduct comprehensive testing to ensure that the converted code meets the desired performance standards. This includes evaluating factors such as response times, resource consumption, and overall user experience. By meticulously testing the converted code, developers can optimize its performance and address any potential performance bottlenecks.
  • Maintenance: Following the completion of the conversion, developers will be responsible for maintaining both the existing native code and the new Flutter code. This dual maintenance requirement introduces an additional layer of complexity to the app’s development and maintenance process. It is crucial to establish clear guidelines and processes for managing updates, bug fixes, and feature enhancements in both codebases. By effectively managing the maintenance of both codebases, developers can ensure the long-term stability and scalability of the application.

Also Read: Flutter App Development Cost 

Benefits of code Migration:

There are several benefits that can be achieved by converting native code to Dart for Flutter. Some of the key benefits include:

  • Cross-platform compatibility: One of the biggest advantages of migrating native code to Dart for Flutter is the ability to create a single codebase that can run on both Android and iOS devices. This eliminates the need to maintain separate codebases, reducing development time and effort significantly.
  • Native-like performance: Despite being a cross-platform framework, Flutter is known for its superior performance as it compiles to native code. By converting native code to Dart for Flutter, developers can achieve the same level of performance as a traditionally developed native application.
  • Increased developer productivity: With its hot reload feature and rich set of pre-built widgets, Flutter enables developers to build and test UIs quickly, significantly improving productivity. This can save valuable development time and effort, allowing teams to focus on building new features and functionality.
  • Reduced maintenance costs: As mentioned earlier, maintaining multiple codebases requires more resources and effort. By migrating native code to Dart for Flutter, developers can reduce the ongoing maintenance costs associated with managing multiple codebases.
  • Access to the Flutter ecosystem: By converting native code to Dart for Flutter, developers can take advantage of the vast ecosystem that comes with Flutter. This includes a plethora of third-party packages and libraries, enabling developers to add new features and functionality easily without having to reinvent the wheel.

Key Features of Code Migration

In addition to the advantages mentioned above, several key features of code migration contribute to its smooth and seamless process when transitioning native code to Dart for Flutter. These features include automated tools and frameworks designed to facilitate the conversion, comprehensive documentation and resources to guide developers through the migration process, and a supportive community of Flutter enthusiasts who are always ready to assist and share their experiences. With these resources and support, developers can confidently migrate their native code to Dart for Flutter, unlocking the full potential of this powerful framework.

  • Gradual migration: Code migration can be done gradually, allowing teams to continue working on new features while gradually converting their existing native codebase to Dart for Flutter. This minimizes disruptions in development workflow and allows for a more controlled migration process.
  • Detailed error reporting: If there are any errors or issues during the migration process, Flutter provides detailed error reporting that helps developers identify and fix them quickly. This makes the code migration process less time-consuming and ensures a higher success rate.
  • Compatibility with existing codebase: Dart for Flutter is designed to be compatible with existing codebases, which means that developers can easily integrate and migrate their existing code to Dart for Flutter without having to rewrite everything from scratch. This also makes it easier for teams with different levels of experience to work together on the same project.
  • Support for popular IDEs: Flutter integrates seamlessly with popular integrated development environments (IDEs) such as Android Studio, Visual Studio Code, and IntelliJ, making it easier for developers to write, debug, and test their code. This also allows teams to use the IDE of their choice while working on a Flutter project.
  • Efficient performance: Dart for Flutter is optimized for mobile development, providing efficient performance that can rival native app development. This ensures that apps built with Flutter have fast startup times, smooth animations, and minimal lag, providing a high-quality user experience.
  • Hot Reload: One of the most popular features of Flutter is its Hot Reload capability. This allows developers to make changes to their code and see the results instantly on a device or emulator without having to restart the app. This speeds up development and makes debugging easier.

Must Read: How to Convert Your Existing Mobile App to Flutter Quickly?

How Much Does it Cost for Code Migration to Dart for Flutter?

The cost of code migration to Dart for Flutter can vary widely depending on several factors such as the size and complexity of the existing codebase, the specific features and dependencies to be migrated, the level of optimization required, and the geographic location of the development team. For a small to medium-sized project, migration costs might range from $5,000 to $20,000, while larger, more complex migrations could cost upwards of $50,000 or more. It is also important to consider the ongoing costs of maintaining and updating the migrated code, which could add additional expenses over time. However, these costs can be offset by the long-term benefits of improved performance and maintainability that Dart for Flutter provides.

  • Project Size and Complexity: The cost of smaller projects, which typically range between $5,000 to $20,000, can vary based on their complexity. More intricate projects, on the other hand, may exceed $50,000 due to the additional time and resources required.
  • Features and Dependencies: The number of features and third-party dependencies to integrate into a project can significantly impact the cost. The more features and dependencies, the higher the cost due to potential compatibility challenges and the need for additional development time.
  • Optimization Level: Increasing the code efficiency and performance of a project can raise the cost. This is because it requires expert knowledge and meticulous development practices, which may result in additional development time and effort.
  • Development Team Location: The cost of development can vary based on the location of the development team. Developers from North America or Western Europe generally charge higher hourly rates compared to those from other regions. However, it’s important to consider the expertise and quality of work that developers from different regions can provide.
  • Maintenance and Updates: Post-migration costs for ongoing maintenance and updates should be accounted for as they contribute to the total cost of ownership. Regular updates and maintenance ensure the stability and security of the project, which may require additional resources and investment over time.

How can iTechnolabs help you to build a Flutter application?

iTechnolabs offers a comprehensive range of services to assist you in building your Flutter application. Our team of experienced developers can provide end-to-end solutions, from planning and design to development and maintenance, ensuring that your project is completed within the desired budget and timeline.

Our expertise in Flutter app development allows us to efficiently handle all aspects of your project, including feature integration, UI/UX design, API integration, and third-party services. We also offer ongoing support for maintenance and updates, ensuring the long-term success of your application.

  • Comprehensive End-to-End Service Provision: At iTechnolabs, we take pride in offering a complete package of services that cover every stage of app development. From conceptualization to deployment, we provide you with the convenience of a single point of accountability throughout the entire process.
  • Expert Development Team: Our seasoned developers are not only well-versed with the Flutter framework but also have extensive experience in building successful applications. With their expertise, we ensure rapid and reliable development, delivering high-quality apps that exceed your expectations.
  • Customized UI/UX Design: We understand the importance of creating an outstanding user experience that resonates with your target audience. Our dedicated team of designers pays meticulous attention to detail, crafting custom user interfaces that are visually appealing, intuitive, and optimized for usability.
  • Seamless API and Third-Party Integration: To enhance the functionality and features of your application, our experts excel in seamless integration of APIs and third-party services. By leveraging these integrations, we enrich your app with a wide range of capabilities, providing a seamless user experience.
  • Ongoing Support and Timely Updates: Our commitment to your success doesn’t end with the launch of your Flutter application. We provide continuous support and deliver timely updates to ensure that your app remains up to date with the latest technology trends and security patches.

Insightfull: Flutter App Development

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Transitioning your existing application to the Flutter platform is made seamless and efficient with the help of iTechnolabs’ comprehensive code migration services. Our team of experts brings in-depth knowledge and experience to ensure a smooth and expedited migration process, minimizing downtime and preserving data integrity.

With Flutter’s powerful cross-platform capabilities, our clients can significantly expand the reach of their applications while maintaining optimal performance and superior quality. By leveraging Flutter’s versatility, your app can effortlessly run on multiple platforms, including iOS and Android, without compromising on the user experience.

At iTechnolabs, we understand the importance of a successful migration and the impact it can have on your business. That’s why we go above and beyond to provide personalized support and guidance throughout the entire migration journey. From analyzing your current application architecture to optimizing the code for optimal performance, our team is dedicated to delivering exceptional results.

  • Cost-Effective Development: By utilizing iTechnolabs for code migration to Flutter, businesses can significantly reduce development costs. Flutter’s single codebase allows for simultaneous updates on both iOS and Android, eliminating the need to maintain two separate codebases and development teams.
  • Future-Proof Technology: Entrusting iTechnolabs with your code migration means investing in a future-proof technology. Flutter is backed by Google and is constantly evolving with updates and new features, ensuring that your application stays competitive and aligns with modern standards. This not only saves you time and resources in the long run but also provides a competitive advantage.
  • Seamless Integration with Existing Platforms: With iTechnolabs, code migration to Flutter doesn’t mean starting from scratch. Our experts ensure that your application seamlessly integrates with existing platforms and services, preserving any previous data or integrations. This allows for a smooth transition for both the business and its users.
  • Optimized Performance and User Experience: Flutter’s fast rendering engine and customizable UI components result in highly performant applications with a seamless user experience. Our team at iTechnolabs ensures that your app is optimized for speed, responsiveness, and overall user satisfaction, enhancing customer retention and loyalty.
  • 24/7 Support: At iTechnolabs, we understand the importance of continuous support for a successful application. Our team provides 24/7 technical assistance and maintenance services to ensure that your Flutter app is always functioning at its best.


By choosing iTechnolabs for your Flutter code migration needs, you are choosing a team of experts who are dedicated to providing the best possible outcome for your business. With future-proof technology, seamless integration, optimized performance, and round-the-clock support, we ensure that your app is not only up-to-date but also delivers an exceptional user experience.

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