App, Apps or APP may refer to:
Science and technology
Computing
- Application software, or app, a computer program designed to carry out a specific task
- Mobile app, designed to run on a mobile device
- Web application 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, 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, 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, former British rock band
Businesses and organizations
Businesses
- 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 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
People
Other uses
- Appleby railway station, England, station code APP
- Appleton, Wisconsin, 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
See also
- .app (disambiguation)
- All pages with titles beginning with App
- All pages with titles beginning with APP
- All pages with titles containing app
- All pages with titles beginning with Apps
- All pages with titles containing apps
- Authorised push payment fraud, or APP fraud
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