Undoubtedly you have already ransacked all the Internet looking for a correct answer to the question what to choose for your application in 2017: Angular 4 or React?

While many people find it difficult to give a clear answer assuring that it’s a matter of taste and preference of each man, Umbrella company is ready to share with you the specific criteria for selecting a suitable tool for your project.

Read the article and you will no longer have the AngularJs 4 vs ReactJs question and will know what to choose based on their similarities and differences.

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Let’s Get Acquainted

Many people believe comparing ReactJs and AngularJs 4 is incorrect since the first one is a frontend framework and the second one is a library. Nevertheless, this fact does not prevent them from breathing down each other’s neck and creating identical applications.
Angular 4 vs React
Since Angular 4 is a framework it initially includes a big variety of different components to create the logic of an application and to display it.

So Angular 4 already has a prepared base of standard solutions that you can use to develop your product. This ensures one hundred percent compatibility of all components but at the same time this limits the choice of techniques.
React vs Angular 4
Being initially just a library React is rarely used in its pure form and you will have to use different settings such as Redux or Flux for creating the business logic that will turn the library into a fully-featured framework. They allow you to get the result equatable on its functionality to Angular 4.<

Choosing React you will have to pick and embed the third-party components into the code yourself. Such an approach will give you opportunity to assemble the application of any components but at the same time you won’t be immune to the risk of making a mistake and choosing low-quality elements.

As you can see none of these approaches is perfect but each of them has its advantages.

Angular 4 and React: What are the Similarities?

Angular 4 and React: What are the Similarities?
Though we compare the framework and the library they show similar results by many measures. Let’s compare ReactJs vs AngularJs 4 by the most common criteria just right now:

Code Length

We can endlessly assert that the code length of these two tools is approximately the same but, as they say, it’s better to see once.

For a visual comparison we chose the examples of data output cycles from the array to the page.


<li *ngFor="#item of items">

{items.map(item =>
<li key={item.id}>{item.name}</li>

Though we have taken quite a small and simple function for comparison, even here you can see that the length of Angular 4 code and React code doesn’t differ significantly. So whatever tool you choose you have to carry out the same amount of work to write the code for your application.

Development Time

In spite of the fact that Angular 4 is a very integrated system of standard components for creating interfaces it requires a large number of extra syntax for writing even simple functions what negatively affects the development time.

React, in its turn, requires less syntax but as you know you have to choose various components and test how they work together yourself what also takes much time.

Hourly Development Rate

Since both tools have the same programming language i.e. JavaScript the hourly development cost using these tools will stay almost the same.

For example, according to one of the world’s largest online workplace Upwork, the average cost of hourly full stack JavaScript development ranges from $30 to $150 per hour.

This range will be the same for both Angular 4 and React applications.

Angular 4 and React: What are the Differences?

Angular 4 and React: What are the Differences?
As you have already understood these two tools are a lot alike. Nevertheless, there are certain differences between ReactJs and AngularJs 4 which you should pay attention to when asking the question ″What to choose for my application?″.

Speed of Joining a Team

Angular 4: a new team member will be able to rapidly understand all the aspects of your project and start working on it due to the base of standard solutions for developing interfaces.

React: a new member of your team will need a long time to understand your code because it will have a random architecture and use various implementations of modules (for example, for routing).


Angular 4: TypeScript is embedded into Angular 4 and gives the opportunity to clearly describe the properties of each element of the application and even of the whole class of elements.

React: TypeScript isn’t embedded into React but it can be manually built in. Thus, you will be able to write React in TypeScript but such an approach is not typical for this tool.

Libraries Compatibility

Angular 4: works with many libraries but we should note that the built-in TypeScript requires the type determination for each library.

React: works badly with Dom libraries directly but, as a rule, such libraries have their alternatives for React, so called, Virtual Dom.

And here are, we suppose, the main differences you should pay attention to choosing a tool for your project:

Speed of Displaying Interactive Functionality

Angular 4: is slower in displaying user interfaces with a lot of pop-up windows and interactive elements.

React: rapidly works with multifunctional applications that have a large number of interactive and dynamic elements, pop-up forms and windows.


Angular 4: though the last version was released only in March 2017 the framework appeared on the IT market many years ago. All of its components work well with each other what reduces the risk of error appearance and makes your application more stable and reliable.

React: is a relatively young tool which appeared in 2013-2014 only. Due to this fact, the modules become outdated rather fast and you have to permanently look for replacement components for non-working items what makes your application less stable and reliable.

Angular 4 vs React: Making a Choice

Angular 4 vs React: Making a Choice
We have already left behind the pros and cons of AngularJs 4 as well as the pros and cons of ReactJs and finally reached the main part of this article that is making a choice. Now having basic knowledge about these two tools you will not only trust our pieces of advice but also understand their logic.

As in any business the final decision depends on your idea and the product you want to receive as a result of the work.

Choose Angular 4 if:

  • you plan to develop a large scale app
  • you need the application to work stably and without errors
  • reliability of the app is more important than the loading speed
  • you are going to involve new developers in the work process and don’t want them to waste time on studying the code

Choose React if:

  • you plan to developed a complex and interactive app
  • you want to have a large selection of non-standard techniques and tools for your application development
  • loading speed of interactive functionality is of paramount importance

In other words, Angular 4 will perfectly suit a large company which application should always be stable and have long-term support with the opportunity to permanently add new features.

React will be a correct solution for a startup where development speed is of prime importance as well as an interesting interface with a large number of interactive and dynamic elements.

Who Uses React and Angular?

To give you an idea how powerful and efficient these tools are, here’s a list of companies using Angular or React for their apps.

Companies using Angular:

  • Upwork
  • The Guardian
  • PayPal
  • Nike

Companies using React:

  • Dropbox
  • Netflix
  • BBC
  • Facebook
As you can see today Angular 4 and React are equally popular and no matter what tool you choose you get a high-quality app as a result.

About the Author: Umbrella experts not only develop applications on both Angular 4 and React but also select the best and most effective techniques for each product. If you have any questions after reading this article or, on the contrary, you have decided the tool and want to discuss the details of the development, never hesitate to contact us!
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