“APP” is short for “application”. It is pronounced as /ˌæpˈlɪkeɪʃn/. The “a” in “app” is pronounced as in “apple”. The stress is on the second syllable of “application”. When referring to mobile applications or software programs, people often use the abbreviation “app”. For example, “I downloaded a new app for photo editing.” Knowing the correct pronunciation helps in effective communication, especially in discussions related to technology and software.