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React Native Vs. Flutter - Which Is Better For Your Mobile App?

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React Native Vs. Flutter - Which Is Better For Your Mobile App?

Flutter as well as React Native both are top tools used for cross-platform app development. Find out about their strengths and the best applications for both.

What Is Flutter?

Flutter is an interface for users (UI) software development kit that was released by Google in the year 2018. Flutter allows you to build cross-platform apps for a variety of operating systems and platforms.

What Is React Native?

React Native is an application development framework for mobile devices developed by Facebook and released in 2015. It can be used by developers using React Native to develop desktop, web, and mobile applications.

React Native Vs. Flutter

Flutter vs React Native: Head-to-Head Comparison



React Native

Developed By



First Release

May 2017

Jan 2015

Main Architecture


Flux and Redux

Programming Language



Components Library

Smaller, non-inclusive

Large inclusive library


High-performing, quick

Slower performance because of JavaScript bridging

Adaptive Components

Components aren’t adaptive. Need to be configured manually

Some are adaptive automatically

Learning Curve

Components aren’t adaptive. Need to be configured manually

Easy to pick up, especially if you are used to React or Javascript before


Not yet mature, a fewer number of packages

Quite mature, used in production in many big companies around the world, many packages available

Hot Reload




Google Ads, Philips Hue, Postmuse

Instagram, Facebook, Tesla


Comparatively faster

Comparatively slower

Famous Apps developed using Flutter

Although it's a much more modern development as React Native, Flutter has created a number of famous applications that we use and love to this day. Here's a quick list:

1. Google Ads

Google Ads lets you manage advertising campaigns easily using your smartphone. It lets you monitor your advertisements with real-time alerts editing bidding in real-time, detailed data, and customer assistance.

2. Cryptograph

Cryptograph is a program that allows you to monitor the performance of thousands of cryptocurrency, as well as their performance, which includes Ethereum as well as Bitcoin. It lets you access rates maps and market data for each cryptocurrency.

3. Postmuse

If you're marketing or social media professional, you probably have heard of Postmuse which can help improve your content significantly. The application lets you boost your content by incorporating unique images quality as well as calligraphy, story templates and more.

Famous Apps made with React Native

1. Instagram

Instagram is a photo sharing, story-telling Instagram is the social media giant that we all recognize and utilize. Instagram made use of React Native for its intuitive user interface, starting with Push Notifications and Webviews. Because 85% to 99 percent part of the program code shared, the development process was much faster than normal.

2. Walmart

Each month, more than 120 million users use Walmart's app. The department store giant updated its mobile app's code using React Native recently, with benefits such as speed improvement and efficiencies.

3. Tesla

Tesla developed an app to help electric car enthusiasts as well as owners to assist in diagnosing issues and recognize the characteristics. The app, which is quite shocking, even can control the car's movements!

When to Use Flutter When to Use React Native
Small budgets Large budgets and complex projects
Short development timeline Apps that are complex cross-platform
Apps that focus on the user interface Reusing codes for desktop and mobile apps
Iteration (Hot Reload) Developers with less experience due to an extensive documentation assistance

Pros and Cons of Flutter

Pros: Cons:
Rapid development with the same codebase Framework is still young, and has typical issues that can't be readily fixed
"Hot Reload" lets you experiment with bug resolution easy Apps are slower to download and occupy lots of space
Layered architecture enables maximum customization and gives control Always up-to-date Programming (Dart) and framework language (Dart) as well as framework
Great documentation Libraries and support are amazing but they aren't as efficient as native development
Separate UI prevents errors
Design that is user-friendly

Pros and Cons of React Native

Pros: Cons:
A vast array of base packages because of the widespread popularity of the JavaScript language A poor performance in comparison to Flutter
One codebase lets developers create an app for a variety of devices simultaneously, instead of developing it for each separately A smaller number of components are included in the box.
The freedom of the developer allows code reuse and costs savings Many libraries and packages that were never used.
Relative maturity Still needs native developers
A large and active community Problems to be solved
Easy to master for React developers Apps are larger than native apps

React Native - Things You Need to Know

React Native About

React Native from Facebook React Native is perhaps the most popular in developing mobile applications that cross platforms. React Native started as an internal hackathon at Facebook in 2013. It was it was released to the general public in the year 2015.

The JavaScript framework that was built with React as the React library. React Native allows you to create IOS and Android applications using a single code base.

Development and Installation

React Native makes use of components, however instead of web-based components like H1 and Div it uses the components supplied by the react-native library to support mobile development.

React Native also uses a virtual DOM for communicating to the native UI elements. React Native doesn't offer as many widgets as Flutter but it's also brimming with adaptable components.

To get started with React Native, you must begin by installing the create-react-native-app package with npm, using it to create a new React Native application. One advantage of development using React Native is its Expo integration feature.

Expo allows you to run your application on your smartphone without wired up. Instead, you have to scan a QR code that is displayed in the console.


React Native has more years in the market, which makes it a hugely popular choice for editors. It also supports hot reload, which is similar to Flutter. In terms of packages, React Native is the most obvious winner, having more than five times the amount of packages as Flutter. It is also more advanced and more stable than Flutter.


The documentation for React Native is adequate and accessible than Flutter's. The official documentation contains prop explanations as well as guides and other common cross-platform development topics, such as the installation of native module.

UI Components

React Native isn't the same number of components as Flutter. It, instead, offers UI rendering, which relies on third-party libraries for access to native modules. Some users feel it difficult to use because React Native relies too heavily on third-party libraries.


The approach of React Native differs from Flutter's. The whole application isn't built to C/C or an indigenous language. Instead all UI components are compile to their native counterparts and their JS program running as a distinct thread, and connecting to native module to perform any task that requires the bridge.

However, the process of the process of establishing Javascript and requiring the Javascript modules is a time-consuming task. React Native may be more efficient than alternatives that are hybrid like Ionic and Cordova however it's not as fast when compared to Flutter.

There's a chance to improve Performance of React Native. Many optimization areas can improve performance, such as lazy requiring lazy native modules loading and reading incrementally.


There are two major ways to build React/React native software: Flux and Redux.

Flux is the framework developed by the developers of the framework, Facebook, while Redux is the most popular community alternative.

The frameworks discussed here are focused on unidirectional data flow and storage of the application's state in a central location called Store. They also make your application components as unalterable as it is. It is also possible to utilize the Context API which is a brand new React feature to manage state.

Flutter - Things You Need to Know

Flutter App Development

Flutter is a receptive, open-source mobile development framework that is cross-platform and cross-platform which uses Dart as its Dart programming language.

Google has created Flutter and Dart and Flutter which is why the company utilizes Flutter to develop several of its most important applications. The first alpha release was released in May 2017. Then, Google has released new versions every couple of months, beginning the last release coming in May 2021.

Reactive Programming using Flutter

Flutter is a framework that reacts but what exactly is that and why is it helpful for app development? Let's say you're planning to make a request to a server, and then take an action based on the response.

If you decide to take action before an answer is received, i.e., before you've got an object you're taking a step which could result in the famous mistake of a billion dollars that is the null reference.

If you're in your experience in the Android and Java worlds, you'll know that among the major reasons behind Kotlin was to eliminate any null references.

When data arrives asynchronously and with multiple requests and clicks, many components of the program must react to the information that comes in. Also, it's chaos without the reactive programming.

Flutter Development and Installation

The Flutter application's primary element is the widget. Widgets are similar to the components used in React Native. Flutter has a variety of ready-to-use applications, the majority of which incorporate principles of design and material.

There are two kinds of widgets that are stateful and stateless as with functional components and classes in React. Unfortunately, the widgets in Flutter aren't adaptive, which means you must make adjustments to the platform that are specific to it manually.

It's pretty simple to begin using Flutter. All you have to download is Flutter, unzip it. Flutter package, extract it, and then set up an environment variable that points to the unzipped folder.

You may also have for you to install Android Studio and set up an emulator in case you don't intend to use your phone.

Flutter has its Hot Reload feature, enabling you to run your app using the changes you make during development and accelerate the development process. Flutter is now officially available on Android Studio, IntelliJ Idea as well as Visual Studio Code.

Flutter UI Components

Flutter is a full set of components when compared with React Native. The framework includes a wide range of UI rendering components including libraries, navigation APIs, much other features that will help you create amazing applications. The many widgets in the framework allow you to create UI for Android or iOS devices.

Flutter Ecosystem

One disadvantage to Flutter is that it's far behind React Native when it comes to the ecosystem. React Native existed for a couple of years prior to the time Flutter's release and resulted in a plethora of packages available for the earlier.

But, Flutter is picking up quickly with a variety of core mobile development packages being made accessible to users. The Flutter ecosystem is also enjoying gained momentum due to an active and committed community. There are currently more than 23,000 Flutter apps available.

Flutter Performance

In terms of performance, Flutter's strategy differs than that of React Native or even NativeScript. Flutter's app is developed using the arm C/C+ library.

This allows it to be more similar to a machine-language and provides better native performance.

In contrast to React Native, it doesn't contain just the UI components that are compiled. Instead all of it is compiling.

Dart is a very efficient language in its own right that can lead to people seeing Flutter as having an advantage. This is not surprising considering its smooth 60-frame-per-second performance!

Flutter Documentation

Flutter provides excellent documentation and an active community for sharing. Additionally, the Flutter team is very accommodating, making it easy to start using the platform.

Be aware that although the documentation is comprehensive however, it can be difficult to understand if do not have any programming knowledge. Some users have reported that the information isn't helpful in addressing common problems.

Flutter Architecture

Flutter is relatively new that makes some programmers unsure regarding the ideal structure to use for your application.

A popular design can be described as the BLoC design (Business Logic Component). Google has presented the architecture at DartConf2018 and states that the business logic must be separated from the present layer, and put within the business logic component.

The BLoC pattern is heavily dependent upon streams as well as RxDart (Reactive Dart).

You may find yourself more comfortable with Redux/Flux which is also possible with specific Flutter-related packages. They'll be sufficient for those who are interested in developing small apps and trying out Flutter.

Flutter vs. React Native - Which is better?

Which is more effective the Flutter app or React Native? There's no definitive solution to the question. One of the options could be superior, based on the preferences of the developer and the needs for the particular project.
  • Since Flutter runs Dart which is a programming language, it has a greater rate of compiling than JavaScript and consequently delivers top performance as a default. But, Dart is only used by 6.54 percent of the population according to Statista that states that fewer developers can master Dart. Additionally, since it's not extensively utilized, it is hampered by a variety of IDEs and does not offer help for this language.
  • Because React Native architecture uses JavaScript bridges, this is the primary reason that makes it slower than Flutter. While Flutter is speedier however, it creates an enormous file size that is a different issue for developers of Flutter.
  • React Native has higher community acceptance due to its ease of including JavaScript. It also saved a lot of developers' time, not having to learn the whole language.
  • If you're looking to test an React Native app, you make use of a third-party test framework like Detox. But, Flutter is enhanced with testing tools integrated into the framework.
This guide explains the rationale that have led to the acclaim of the two frameworks that are emerging, Flutter as well as React Native, for creating cross-platform apps.

Flutter and Native resolve the issue of having distinct code for native platforms, such as Android or iOS. You can now build an application that works on all platforms with the identical code.

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