.app is an abbreviation of the word ''application''. It may refer to:
Filename extensions
* Used in
GEM
A gemstone (also called a fine gem, jewel, precious stone, or semiprecious stone) is a piece of mineral crystal which, in cut and polished form, is used to make jewelry or other adornments. However, certain rocks (such as lapis lazuli, opal, an ...
* Used for
application bundles in NeXTSTEP, OPENSTEP, GNUstep, macOS, iOS, and iPadOS
* Used for
app packages in HarmonyOS
* Used in
SkyOS
SkyOS (''Sky Operating System'') is a discontinued prototype commercial, proprietary, graphical desktop operating system written for the x86 computer architecture. As of January 30, 2009 development was halted with no plans to resume its develop ...
* Used in
Symbian OS
* Used in
Microsoft Windows (via AppWave)
Other uses
*
.app (gTLD), a top-level internet domain
See also
*
App (disambiguation)
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