App Explained

App, Apps or APP may refer to:

Computing

- Application software Mobile app, software designed to run on smartphones and other devices
Web application or web app, software designed to run inside a web browser
App (file format), a file format used by HarmonyOS as an app package
Adjusted Peak Performance, a metric to measure computing performance in 64-bit processors and above
Application Portability Profile, NIST standards and specifications for the Open System Environment
Atom Publishing Protocol, simple HTTP-based protocol for creating and updating web resources

Advanced Placement Program, a program offering college-level curriculum and examinations to high school students
Appalachian State University, a university in Boone, North Carolina, US
- Appalachian State Mountaineers, the university's athletic program
Assessing Pupils' Progress, an assessment methodology used in schools in England and Wales

APP (film), a 2013 Dutch film that utilizes second screen technology
Apps (film), a 2021 anthology horror fantasy film
The App, a 2019 Italian drama
Asbury Park Press, a newspaper of Monmouth County, New Jersey, US
Associated Press of Pakistan, news agency of Pakistan
Archive of Public Protests (Polish: Archiwum Protestów Publicznych|links=no), a collective of photographers and writers and their work documenting protests in Poland

Acute-phase protein, a class of proteins whose concentration changes in response to inflammation
Advanced practice provider, or mid-level practitioner, a class of healthcare providers
Amyloid-beta precursor protein, a protein whose fragments are associated with Alzheimer's disease and other neurological disorders

African Prisons Project, a UK-based NGO
Alberta Provincial Police, a Canadian police force from 1917 to 1932
American Principles Project, a libertarian and conservative political think tank
Asia-Pacific Partnership, an international environmental protection alliance
Asia Pulp & Paper, a pulp and paper company based in Jakarta, Indonesia
Associated Press of Pakistan, a national news agency of Pakistan
Association of Pickleball Professionals
Association of Professional Piercers, an international organization for body piercing

All People's Party (disambiguation), various political parties
French: [[Alliance populaire progressiste]] or People's Progressive Alliance, a party in Mauritania
Animal Protection Party, United Kingdom
- - Australian Protectionist Party Austrian People's Party Aggrupation of Parties for Prosperity, a local Philippine party
Alliance for the Homeland, a Romanian party
American Principles Project, a think-tank
Reason Party (Poland) (or Anticlerical Progress Party)