Angular vs. React JS: Which One is Best for Your Project in 2021?

Angular vs. React JS

React JS and Angular are two of the most popular tools for creating interactive websites. But how to know which one is the best for your project? 

At first, comparing Angular with React makes no sense because Angular is a framework, and React JS is a library. However, both titles are frequently used in the development of interactive apps. Both of them are appropriate for this, but their methods are pretty different. 

This is precisely what this post will show: the key differences between Angular vs. React JS.

What Requirements Does A Framework For JavaScript Have To Meet?

When choosing the ideal framework, you need to consider different aspects based on your project’s priorities.

Some of the relevant factors for assessment include: 

  • The flexibility of the framework and the extensions it supports 
  • Unilateral or bilateral integration of the data flow in the algorithms 
  • Maintenance of the code and regular publication of updates 
  • Performance and consumption of resources 
  • Compatibility with foreign libraries 
  • Clear structure and architecture 
  • Reliable support and detailed documentation 
  • Effective error control and avoidance as well as debugging 
  • Scope and type of project 

Not all frameworks accomplish an identical task using the same approach. Depending on the purpose, implementation can be easy or difficult.  

For this reason, it makes perfect sense to have familiarity with the basics of different frameworks to assess individual strengths and weaknesses.

What Is The Difference Between Libraries And Frameworks?

In some presentations and tests, the terms library and framework are used almost analogously – there are some similarities between the two and considerable differences in other areas. 

A library is a collection of program routines that often have a thematic connection.  It supplements a programming language with functions or offers simple, secure, and universal access to these without being programmed separately. 

A framework fulfills a similar purpose, but it intervenes much deeper in the programming and imagines a universal framework for performing tasks.  It often uses a supplemented or varied syntax or its programming language and structure to use this quickly and clearly. In addition, it also enables a predetermined separation between optics, content, and user interface in the sense of a model view controller (MVC).

Should You Use Angular?

Angular is a popular Javascript framework created by Google and continues to be enjoyed by a large community. It is not a simple library but a framework limited to the unique applications for displaying websites in the World Wide Web Browser.

Using Typescript, the framework has a type of safety similar to that which developers know from other languages ​​such as C # or Java. TypeScript is a programming language developed by Microsoft, a superset/extension of Javascript.  

The code is under the Apache license, and the source code is available on GitHub. In Typescript, types play a critical role as it is standard to assign a type to each variable, function parameters, and outputs in advance.

Advantages of Angular: 

  • Lean core code with high modularity through external components 
  • Integration and use of HTML and CSS are possible without restrictions 
  • Support of TypeScript and Javascript 
  • Strict separation of the templates from design and logic 
  • Google support and development 

Disadvantages of Angular: 

  • Longer familiarization with complex interfaces required 
  • Compatibility problems due to extensive changes between individual versions 
  • Extra work from resolving and logging dependencies 
  • Restrictions on single-page applications and their combination with one another 
  • It is primarily aimed at big projects so you might consider other Angular alternatives

When to Choose Angular?

Angular 5 is the appropriate framework for your application in the following cases: 

  • You want ready-to-use and better productivity solutions 
  • If you want a complex application that is rich in features 
  • If the development team has expertise with Java, C#, and earlier versions of Angular 
  • Complexity in applications stays low to medium 

Should You Use React JS?

React JS is a  JavaScript library developed by Facebook with a strong community of developers and communities. It provides a basic framework for displaying components of the user interface of websites (web framework). Components are hierarchically structured, and their sentence structure can also be shown as defined HTML tags.  

Therefore, it is primarily responsible for the display (view) and interaction. The React JS library is usually the basis for one-sided web applications, but it can also be (pre) rendered on the server-side with the help of Node.js. 

Advantages of React: 

  • High flexibility and extensive compatibility with external libraries 
  • It can be used both as a framework and as a library 
  • Good performance with efficient, unproblematic optimization 
  • Development through Instagram, Facebook, and the open-source Community 
  • Clearly structured code 
  • Permanent further development and regular updates 
  • Excellent support for SSR and SPA 

Disadvantages of React: 

  • Versatility makes it challenging to choose the optimal solution strategy 
  • Elaborate compilation without universal Assembly tools 
  • No clear separation between HTML and JavaScript in JSX syntax 
  • Inadequate documentation of the functions by the developers 

When to Choose to React? 

React is the best option for your app if: 

  • You need a multi-event app. 
  • If your application development team has HTML, CSS, and JavaScript knowledge. 
  • It would be best if you utilized React when your need requires a customized app solution. 
  • In your app project, you wish to build shared components. 

The Similarities Between Angular and React JS 

Both provide a basic framework for web development. They are component-based and offer the possibility of breaking down an application into smaller components and writing them with a consistent API.  

The great advantage of the components is that they can be reused, reassembled, and tested individually.  

Both frameworks offer a mature, classic architecture for development in Javascript. With this architecture, cross-platform applications for Windows, Mac, and Linux can be developed.  

Compared to native applications, however, this architecture also leads to more complex applications and higher resource consumption. 

Both frameworks are subject to the MIT license and can therefore be used free of charge by everyone. They also have in common that both have a large community behind them that maintains the frameworks. 

The Differences Between Angular and React JS 

The key difference is that Angular is a framework, and React is a library. The latter focuses on the user interface, while the former takes a complete approach, i.e., makes model, controller, and view available simultaneously according to the MVC principle.  

Now, we will give you an in-depth comparison between these two, so you know exactly how each one performs in multiple perspectives.

#1 Popularity: React Vs Angular

What’s more popular – Angular or React? You need to look at some statistics to answer this question. In a Stack Overflow Survey, React was voted the most beloved framework by an astonishing 74.5 percent of developers (57.6 percent ). 

Google Trends is another figure who may give an idea of the popularity of a specific tool and the yearly search history of app development environments. This index is also significantly more favorable for React, averaging 84 searches a month in Angular vs. 68. 

The actual downloads are as significant as the number of searches. Accordingly, NPM trends indicate that React dominates Angular seven times. 

Check also: React vs Swift: which one is better for your Ios App

As all three criteria indicate, React is more popular than Angular. 

#2 Performance: React vs Angular

This is influenced mainly by the kind of DOM used in each context. Angular utilizes actual DOM, which substantially slows down it owing to the bidirectional data it requires.  

This technology is undoubtedly for single-page apps, whereas React with its virtual DOM is the platform of choice for sophisticated and dynamic web applications. However, a recent Angular version has addressed this problem, which has significantly improved its speed. 

#3 Support From the Community 

Given React’s greater popularity, its community is considerably bigger. It has also been used by PayPal, Twitter, Facebook, Netflix, Uber, Microsoft, Yahoo, and other major businesses that contribute to its reputation.  

The community size is another benefit for a platform that regularly releases updates (as with React). While there isn’t much documentation regarding the most recent changes, community assistance in specialized forums fills that gap.

The Angular community is considerably smaller since the developers found it too difficult to understand and operate their initial skepticism. 

But the legitimacy of the framework is underpinned by Google’s endorsement and the businesses that use it, including HBO, McDonald’s, Apple, Adobe, Forbes, Nike, and Microsoft. 

#4 Size 

Although the React library only weighs 116KB, it is hard to quantify Angular’s size since it varies on the produced package but typically weighs about 500KB. React is also recommended if the application that you intend to create is likely to be expanded in the future.  

All changes here seem to be in favor of React. However, is there a reason why Angular is still in use? Of course, there is,   

Angular is the most acceptable way to create a small application if you develop a single-page web or app. 

#5 Difficulty 

The choice of any framework will be decided by the time you learn how to write inside it. Angular mastering takes you longer since you also have to understand related topics such as TypeScript and MVC.  

No previous knowledge is needed with React. In addition, it does not include classical templates or complicated characteristics. Additionally,  React’s tutorial, makes it more enjoyable to learn. 

#6 Upgrades and Migration 

You will need to modify your code when the upgrade is published. Therefore, developers want to know whether updates are posted to move to a newer version with minimum trouble.  

React makes these migrations easy by providing customized scripts that assist customers. Angular modifications should be updated twice a year so that the changes that you make endure six months. 

#7 Components 

Frameworks use the opposite approach to the creation of components. Angular provides an integrated toolkit with a full range of design components, including layouts, pop-ups, buttons, indicators, and more.  This technique makes the user interface quick and straightforward to customize.  

The React Community develops and publishes React tools (free and paid) on its site. To use them, an extra library has to be installed before a complicated interface setup with React. 

#8 Speed of development 

The speed depends on how many libraries the developer can access. And each instrument has its own merits in this regard.  

On the one hand, the architecture of React is simpler to measure. On the other hand, it is quicker to build web apps using Angular. It is thus up to you and your project’s priorities to determine what is best for you. 

#9 Flexibility 

Both systems can make single and multi-page apps easier to create. Additional technologies – React Native and NativeScript – enable mobile programming in both situations.  

But both frameworks are primarily dependent on other frameworks to develop mobile applications (Cordova for React and Ionic for Angular). 

Which Is Better: Angular or React? Summary of Comparison

List of companies using React and Angular

For React:

  • Codeacademy
  • Airbnb
  • Facebook
  • Netflix
  • Uber

For Angular:

  • Gmail
  • Upwork
  • IBM
  • The Guardian
  • Forbes

Final Thoughts

There is no clear solution to this issue, even if you compare them side by side. The comparison between React and Angular demonstrates that both have their own benefits and drawbacks.  

While React is mainly intended for UI development and requires extra libraries to maximize its potential, Angular is an all-inclusive multi-purpose tool that can be used for both online and mobile apps. 

Overall, it depends on the final product you want to create. An application that focuses heavily on front-end development has many interactive elements or is integrated into existing applications is better off with React.  

Angular is better if an application is developed from scratch, especially if it also has more sophisticated backend elements. Since Angular also requires prior knowledge of topics like TypeScript or MVC, developers would most likely prefer using it to someone who has to learn it first. 

If you’re looking for an Angular or a React JS developer, contact us! We can help you hire the right developer in just two weeks. Plus, we take care of all the HR hassle!

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Vishal Srivastava

Vishal Srivastava

Vishal has played multiple roles over the past 8 years- a mechanical engineer, blogger, liberal arts student, & currently a marketing professional. He loves to learn and read new things and his latest obsession is creator economy and personal branding in the age of remote work. When not working, he is busy overthinking about life in 2050. You can reach out to him on Twitter @VishalThisSide