What Is the Difference Between UX And UI? Even though they are two distinct components of mobile app development, user experience (UX) and user interface (UI) are sometimes used interchangeably. This is because most of the population is unaware of the distinction. UX When a user uses your app, the term “User Experience” refers to how they perceive the app and their interactions with it. Usability, accessibility, and simplicity are all included in the definition of this concept. UI Your