A mobile application (or app) is a computer program designed to run on smartphones, tablet computers and other mobile devices. Apps are usually available through an app store for that platform. These began appearing in 2008. The largest stores are operated by the owner of the mobile operating system.
Some apps are usually bundled with the device, already installed before you buy it. Other apps may be downloaded for free from the app store, and some must be purchased.
- Peggy Anne Salz; Jennifer Moranz, The Everything Guide to Mobile Apps (Avon, MA: Adams Media; Newton Abbot: David & Charles, 2013), p. 14
- In Lee, Mobile Applications and Knowledge Advancements in E-Business (Hershey, PA: Business Science Reference, 2013), pp. 235–236
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