noun

app

A software program designed for a particular use, especially on a mobile device.

She opens the weather app before deciding whether to walk.

Etymology

App shortens application. The longer name identifies software by its practical use: it applies a computer’s capabilities to a task the user wants to perform.

More examples

  • The new app keeps track of household expenses.
  • I removed several unused apps from my phone.
  • The transit app displays the next bus arrival.

Forms

app · apps

Similar words

program
A broader term for executable software of any kind.
website
Usually accessed through a browser rather than installed as software.