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UX or UI? What is the Difference?


Although it is true that both terms are related, it is important to distinguish the differences that exist between UX and UI.

In one of our past articles we talked about the topic of UX (User Experience), and we talked about the impact it can have on the success or failure of a business.

This time I would like to talk about the topic of UI (User Interface), as these terms can often be confused or used interchangeably, and the reality is that each one has a different definition and application.

So, let’s start by remembering the definition of UX. When we talk about user experience, we are talking about what a person perceives when interacting with a product or service.

We are talking about the experience.

“UX refers to what the user experiences before, during, and after interacting with the artifact. Without incorporating the user, you cannot do UX”.


Today, most of our first experiences with a brand are digital, either through a mobile app or a website.

To design a good user experience it is important to consider factors such as:

  • Psychology
  • Digital technology
  • Marketing
  • Business and sales

Now, when speaking of user interface, UI, we are specifically talking about the display or the medium that allows the user to interact with a certain system, whether it is a website, application, online store, etc.

The interface covers all the visual elements, such as colors, fonts, photographs and images, buttons, and others.

“The UI gives the ‘look & feel’ to the product with the structure and interaction of the interface elements.”

Andrea Cantú

So, you could say that a good interface is essential to have a good user experience, but the user experience depends on more factors.

In order to create a good user interface, it is important to keep in mind:

  • Design of elements
  • Visual design
  • Style guides
  • Interaction design

Another term that can also be confused and mixed within this topic is usability. Usability can be defined as the characteristic that a product or service has to be used easily.

To have a good user experience we need to have usability and at the same time, usability depends on a good interface design.

As you can see, the 3 concepts – UX, UI and usability, are interrelated but each one has its specific parameters and purposes.


The digital world has provided new tools and communication channels for brands and businesses, but at the same time it has also created new challenges for them.

UX and UI design are excellent examples of these new digital needs and the importance of the user today.

The user experience is a very extensive discipline that must consider many components and elements, such as the user interface and usability.

In the end, all these elements must work together to create a positive user experience.

Are these concepts clearer to you now?