App, Apps or APP may refer to:

Science and technology

Computing

Application software Application software is any computer program that is intended for end-user use not operating, administering or programming the computer. An application (app, application program, software application) is any program that can be categorized as ...

, or app, a computer program designed to carry out a specific task **

Mobile app A mobile application or app is a computer program or software application designed to run on a mobile device such as a smartphone, phone, tablet computer, tablet, or smartwatch, watch. Mobile applications often stand in contrast to desktop appli ...

, designed to run on a mobile device **

Web application A web application (or web app) is application software that is created with web technologies and runs via a web browser. Web applications emerged during the late 1990s and allowed for the server to dynamically build a response to the request, ...

or web app, designed to run in a web browser * App (file format), used by HarmonyOS * 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

Other uses in science and technology

Acute-phase protein Acute-phase proteins (APPs) are a class of proteins whose concentrations in blood plasma either increase (positive acute-phase proteins) or decrease (negative acute-phase proteins) in response to inflammation. This response is called the ''acute-p ...

, a class of proteins * Amyloid-beta precursor protein, a protein * Atactic polypropylene, a hot-melt adhesive

Arts, entertainment and media

* ''App'' (film), a 2013 Dutch film * ''Apps'' (film), a 2021 anthology horror fantasy film * '' The App'', a 2019 Italian drama * ''

Asbury Park Press The ''Asbury Park Press'', formerly known as the ''Shore Press'', ''Daily Press'', ''Asbury Park Daily Press'', and ''Asbury Park Evening Press'', is the third largest daily newspaper in the state of New Jersey. Established in 1879, it has been o ...

'', a newspaper of Monmouth County, New Jersey, US * Archive of Public Protests, a collective of photographers and writers and their work documenting protests in Poland *

The Alan Parsons Project The Alan Parsons Project was a British rock music, rock duo formed in London in 1975. Its core membership consisted of producer, audio engineer, musician and composer Alan Parsons, and singer, songwriter and pianist Eric Woolfson. They shared w ...

, former British rock band

Businesses and organizations

Businesses

* Asia Pulp & Paper, a pulp and paper company based in Jakarta, Indonesia *

Associated Press of Pakistan Associated Press of Pakistan (APP) (Urdu: ) is a government-operated national news agency of Pakistan. APP has News Exchange Agreements with 37 Foreign News Agencies and has "around 400 editorial staff including around 100 Correspondents at the ...

, a national news agency of Pakistan * Association of Pickleball Players, a professional pickleball tour * Association of Professional Piercers, an international organization for body piercing

Political parties

* All People's Party (disambiguation), several political parties * People's Progressive Alliance (Mauritania) (''Alliance populaire progressiste'') * Animal Protection Party, in England * Australian Protectionist Party * Aggrupation of Parties for Prosperity, in the Philippines * Alliance for the Homeland (''Alianța pentru Patrie'', ApP), in Romania

Other organizations

* Justice Defenders, formerly African Prisons Project, a charity * Alberta Provincial Police, a former Canadian police force * American Principles Project, a political advocacy group *

Asia-Pacific Partnership on Clean Development and Climate The Asia-Pacific Partnership on Clean Development and Climate, also known as APP, was an international, voluntary, public-private partnership among Australia, Canada, India, Japan, the People's Republic of China, South Korea, and the United Stat ...

People

* App (surname) * Apps (surname)

Other uses

* Appleby railway station, England, station code APP *

Appleton, Wisconsin Appleton () is the county seat of Outagamie County, Wisconsin, United States, with small portions extending into Calumet County, Wisconsin, Calumet and Winnebago County, Wisconsin, Winnebago counties. Located on the Fox River (Green Bay tributary ...

, United States (by Amtrak station code) * Assessing Pupils' Progress, an assessment methodology used in schools in England and Wales * Advanced practice provider, another term for a mid-level practitioner