Definition

A software program designed for a mobile phone or computer.

Example

"I downloaded a new photo editing app."

"This app helps me track my daily steps and calories."

"Kids use many educational apps to study in a fun way."

Explanation

An app is a short form of “application” and refers to a program you use on your smartphone, tablet, or computer. Apps help you do things like send messages, play games, learn, watch videos, or shop online. You download apps from app stores like the Play Store or App Store. People use apps every day to make tasks easier and more fun.