ReactJS is a framework for building applications using JavaScript. React Native is an entire platform allowing you to build native, cross-platform mobile apps, and React.JS is a JavaScript library you use for constructing a high performing UI layer.

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Key Difference Between ReactJS And React Native

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ReactJS and React Native are two leading JavaScript frameworks that allow users
to build mobile user interfaces (MUI). They both provide developers with an
opportunity to quickly prototype mobile apps and manage complexity as projects
grow in scope. Both ReactJS and React Native are used to create native-like apps.
However, there are certain differences between the two. Let me explain one by one
What is ReactJS?
React.JS often referred to as React or ReactJS is a JavaScript library responsible for
building a hierarchy of UI components or in other words, responsible for the
rendering of UI components. It provides support for both frontend and server-side.
Advantages of ReactJS
1. Easy to learn and use: ReactJS is much easier to learn and use. Any developer
who comes from a JavaScript background can easily understand and start
creating web apps using react.
2. Creating dynamic web applications becomes easier: To create a dynamic web
application specifically with HTML was tricky, which requires complex coding,
but ReactJS solved that issue and makes it easier. It provides less coding and
gives more functionality.
3. Reusable components: ReactJS web application is made up of multiple
components, and each component has its logic and controls. These
components can be reused wherever needed. The reusable code helps to
make your apps easier to develop and maintain.
4. Performance enhancement: ReactJS improves performance due to virtual
DOM. The React Virtual DOM exists entirely in memory and is a
representation of the web browser's DOM. Due to this, when we write a react

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component, we do not write directly to the DOM. Instead, we are writing
virtual components that will turn into the DOM, leading to smoother and
faster performance.
5. The support of handy tools: ReactJS supports a handy set of tools which make
the task of the developers understandable and easier.
What is React Native?
React Native is an open-source JavaScript framework used for developing a mobile
application for iOS, Android, and Windows. It uses only JavaScript to build a cross-
platform mobile app. React Native is the same as react, but it uses native
components instead of using web components as building blocks. It targets mobile
platforms rather than the browser.
Facebook developed the React Native in 2013 for its internal project Hackathon. In
March 2015, Facebook announced that React Native is open and available on GitHub.
Advantages of React Native
There are several advantages of React Native for building mobile applications. Some
of them are given below:

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• It provides the facility of "Learn once write
everywhere." It works for both platform
Android as well as iOS devices
Cross-Platform
Usage
• The code written in React Native is compiled
into native code, which enables it for both
operating systems as well as it functions in the
same way on both the platforms.
Class
Performance
• JavaScript knowledge is used to build native
mobile apps
JavaScript
• The large community of ReactJS and React
Native helps us to find any answer we require
Community
• Making a few changes in the code of your app
will be immediately visible during
development. If the business logic is changed,
its reflection is live reloaded on screen
Hot Reloading
• Some features of iOS and Android are still not
supported, and the community is always
inventing the best practices
Improving
With Time
• We will need to write some platform specific
code if we want to create native functionality,
which is not designed yet
Native
Components
• As Facebook develops this framework, its
presence is uncertain since it keeps all the
rights to kill off the project anytime. As the
popularity of React Native rises, it is unlikely to
happen
Existence is
Uncertain

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Disadvantages of React Native
1. React Native is stillnew and immature: React Native is a newbie in Android
and iOS programming languages and is still in its improvement stage, which
can have a negative impact on the apps.
2. Learning is tough: React Native is not easy to learn, especially for a fresher in
the app development field.
3. Lacks the Security Robustness: React Native is a JavaScript library and open-
source framework, which creates a gap in the security robustness. When you
are creating banking and financial apps where data is highly confidential,
experts advise not to choose React Native.
4. Takes More Time to Initialize: React Native takes a lot of time for initializing
the runtime even for the hi-tech gadgets and devices.
ReactJS vs React Native
ReactJS React Native
ReactJS initial release was in 2013. React Native initial release was in 2015.
Used for developing web applications. Used for developing mobile applications.
Can be executed on all platforms. Not platform independent. It takes more
effort to be executed on all platforms.
Uses React-router for navigating web
pages.
Built-in navigator library for navigating
mobile applications.
Uses HTML tags. Does not use HTML tags.
Use code components, which saves a lot Reuse React Native UI components and

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of valuable time. modules which allow hybrid apps to
render natively.
Provides high security. Provides low security in comparison to
ReactJS.
The Virtual DOM renders the browser
code.
Native uses its API to render code for
mobile applications.
Which is better, React or React native?
Both ReactJS and React Native are important pillars for app and web development,
and due to their flexible functionalities and an evolving eco-system of libraries, they
are gaining momentum with each passing day.
While ReactJS is basically a JavaScript library and React Native is the entire
framework, the former is the heart of the latter, and compliments each other.
If ReactJS is optimal for creating apps with high functionality and complex
calculations, then React Native is ideal to give a native feeling to your mobile apps.
Conclusion
React is a framework for building applications using JavaScript. React Native is an
entire platform allowing you to build native, cross-platform mobile apps, and
React.JS is a JavaScript library you use for constructing a high performing UI layer.
React.JS is the heart of React Native, and it embodies all react principles and syntax,
so the learning curve is easy. The platform is what gave rise to their technical
differences. Like the browser code in React is rendered through Virtual DOM while
React Native uses Native API’s to render components on mobile.

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So both the framework has huge market demand for web and mobile application
development. We have also expertise in developing application in react and react
native. If you have any quarries on these two framework then please book a free
consultation or if you are looking to develop application on these two framework
then you are in the right place. Contact us now