Crossword Genius

Zoom or TikTok

Ross

I believe the answer is:

app

(Other definitions for app that I've seen before include "Software for mobile devices, in short" , "Software program for a mobile device" , "bit of software" , "Program for a smart phone, in short" , "Software item" .)

I've seen this clue in The New York Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.