Noun: app ap
- A software program that runs on a mobile device, esp. a third-party program for a smartphone
"WordWeb is available as an iPhone app"
- A program that gives a computer instructions that provide the user with tools to accomplish a task
"he has tried several different word processing apps";
- application, application program, applications programme
Derived forms: apps
Type of: computer program, computer programme [Brit], program, programme [Brit, Cdn]
Encyclopedia: App