Home > Insights  >   Technology

Decoding Cross-Platform Mobile Development: React Native vs. Flutter in 2023

5 minutes read

Audio description available

May 24, 2023

Choosing between Flutter and React Native, two powerful frameworks developed by tech giants Facebook and Google, has become a challenge for developers in the mobile app industry. With the increasing demand for accessible and user-friendly applications, the competition between these frameworks intensifies as they offer unique advantages and capabilities. This article will examine the best framework for cross-platform mobile development in 2023.

What Is Cross-Platform Mobile Development?

Cross-platform development is a way to create mobile apps that can be used on multiple platforms, such as Android and iOS. This can save time and money, as developers only need to create one codebase for the app. Cross-platform apps can also offer a consistent user experience across platforms.

React Native vs. Flutter Overview

Cross-platform frameworks are a dime a dozen, but not all are created equal. Here are a few of the most promising options today, including Flutter and React Native. Let's take a closer look at each one.

What Is React Native

React Native is an open-source framework that enables developers to build native mobile apps using JavaScript. It is based on React, a JavaScript library for building user interfaces. React Native apps are written in JavaScript and can be compiled into native code for iOS and Android. The camera, the accelerometer, and the GPS are just a few examples of native features that React Native apps can use.
Facebook developed React Native in 2015, and it has since grown to be one of the most well-liked cross-platform mobile development frameworks. Numerous businesses use it, including Airbnb, Instagram, and Uber.

What Is Flutter

Flutter is a software development kit (SDK) created by Google. It allows developers to build native-looking, high-performance, and beautiful cross-platform mobile apps from a single codebase. Flutter apps are built using the Dart programming language.
Flutter is a popular choice for developers who want to create high-quality apps that are easy to use and maintain. The New York Times, Square, and Alibaba are just a few of the many companies that have chosen to use Flutter to develop their mobile apps.

React Native vs. Flutter: How Do They Work?

React Native and Flutter are both cross-platform mobile development frameworks that allow developers to build native-looking apps for Android and iOS using a single codebase. However, they have different approaches to achieving this goal.
React Native uses a bridge to connect JavaScript code to native components. This means that React Native apps are made up of a combination of native and JavaScript code.
Flutter, on the other hand, uses a different approach. It compiles Dart code into native code for each platform. This means that Flutter apps are written entirely in Dart and are not dependent on any native components.
Here is a table that summarizes the key differences between React Native and Flutter:


React Native


Programming language



Rendering engine



App Architecture






Learning curve




Large and active


React Native vs. Flutter: Which is superior?

React Native and Flutter are both excellent cross-platform mobile development frameworks. They both have their own strengths and weaknesses, so the best framework for you will depend on your specific needs and preferences.
Here are the pros and cons of each framework:



React Native

React Native offers several benefits for mobile app development. 

- First, it utilizes native UI components, providing a high-quality user interface that closely resembles native apps. Secondly, it offers a wide range of ready-made components, enabling developers to accelerate development and reduce time-to-market.

- Additionally, React Native grants access to native capabilities such as the camera and accelerometer, enhancing the app's functionality.

- Furthermore, it allows for the inclusion of platform-specific code, enabling optimization for specific platforms.

- Finally, React Native's hot reload feature enables real-time updates to the app without the need for time-consuming recompilation.

- React Native employs a combination of JavaScript, Objective-C, Java, and C/C++ for development, which can introduce complexity when debugging. While React Native has matured, it still lacks certain components and may have underdeveloped ones.

- Furthermore, React Native apps may experience performance limitations and struggle to meet high-performance requirements, making them less suitable for animation-heavy applications and games.


Flutter offers several advantages over other cross-platform frameworks:

- Firstly, it enables the creation of sophisticated UI with remarkable speed, capable of rendering apps at up to 120 frames per second.

- Additionally, Flutter's association with Google ensures extensive and easily understandable documentation and resources. The framework's Hot Reload feature allows developers to save significant time by instantly implementing code changes without the need for time-consuming compilation. 

- Lastly, Flutter uses Dart instead of JavaScript, providing a more streamlined and faster development experience compared to other languages commonly used for mobile app development.

- Flutter's performance may not be optimal on low-end devices, despite its potential to achieve high frame rates. However, the Flutter community actively addresses reported issues, with ongoing efforts from Google developers to enhance the framework's stability. It's important to note that Flutter's APK and IPA sizes are larger than those of native apps, as the entire framework is bundled within the application, similar to approaches used by React Native.

React Native vs. Flutter: Real-Eorld Insights From Developers

The main question here is: Which one is better among these two cross-platform mobile app development frameworks?
Each has distinct advantages and disadvantages of its own, and it’s difficult to say which is superior. It's a challenging query even for developers, who work with these two every day.
According to StackOverflow’s survey in 2022 of developers using these technologies, here is a look at the debate between Flutter and React Native.

According to Google Trends data, Flutter and React Native are still engaged in a fierce power struggle. Flutter (the red line) overtook React Native (the blue line) as the most frequently searched query globally in April 2020, maintaining that position in 2023.

And yet, in the US, the battle between Flutter and React Native is still raging, with both frameworks vying for dominance. Flutter (the red line) currently has a slight lead, but React Native (the blue line) is not far behind. The trend curve starting in January 2021 shows that the battle is likely to continue for some time.

Referring to that information, we have the answer to the question above. There is no clear winner between Flutter and React Native. Both frameworks have their own advantages and disadvantages, and the best choice for you will depend on your specific needs and requirements.

When To Use Flutter

Flutter will work well when:
- You are on a tight deadline: Flutter is a very fast framework, which can save you time and money.
- You are developing a simple app: Flutter is a great choice for simple apps because it is easy to learn and use.
- You are developing an app with a lot of custom features: Flutter is a powerful framework that can be used to create complex apps with a lot of custom features.
- You are developing an app for a new platform: Flutter is a great choice for developing apps for new platforms because it is a cross-platform framework.

When To Use React Native

Implement React Native when:
- You are developing a new app and you need to support both iOS and Android. React Native can help you save time and money by allowing you to build a single app that works on both platforms.
- You have a desktop app or website and can reuse components for a mobile app (have a single tech stack)
- You have a team of JavaScript familiar with your existing assets who can use the plug-ins, modules, and widgets from the huge npm repository
- You are updating an existing app and you want to make it available on both iOS and Android. React Native can help you save time and money by allowing you to port your existing app to both platforms.
- You are developing an app that requires high performance. React Native apps are built using native components, which means that they offer the same performance as native apps. This is important for apps that require high performance, such as games or productivity apps.

The Takeaway,

In conclusion, determining the superiority of Flutter, and React Native is no easy task. The choice between these frameworks depends on finding the best fit for your company's specific needs and requirements. Rather than focusing on which one is better, it is more crucial to carefully consider and evaluate which framework aligns most effectively with your organization's goals and objectives.

Are you in need of Flutter or React Native developers? Or perhaps you're planning to develop your own cross-platform mobile app. Look no further than BHSoft for your talent requirements. Our team is ready to provide you with the best talent in the industry. Get in touch with us today to kickstart your project and bring your mobile app ideas to life.