messengerapp

noun
UK /ˈmɛsɪndʒər æp/
US /ˈmɛsɪndʒər æp/

A messenger app is a program on your phone that lets you send messages to people.

I used a messenger app to tell my friend I would be late.


OTHER MEANINGS

2. A software tool for sending quick written notes between coworkers.

Our team uses a messenger app to share updates during the day.

3. An application that sends photos and videos along with text.

She sent me a funny picture through a messenger app.

4. A program that shows when your friends are online.

The messenger app showed a green dot next to his name.