What is a Mobile Application?

Woman using self tracking app.
Guido Mieth / Getty Images

Updated on Feb 10, 2016

Definition:

Mobile applications or mobile apps are applications developed for small handheld devices, such as mobile phones, smartphones, PDAs and so on. Mobile apps can come preloaded on the handheld device as well as can be downloaded by users from app stores or the Internet.

You can find mobile apps on both feature phones and smartphones. The most popular smartphone platforms that support mobile apps today are Android, iOS, Windows Phone and BlackBerry.

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Examples: Games, music and IM apps are the best examples of mobile applications. They are also the most popular.