Looking for the definition of IOS? iOS (formerly iPhone OS) is a mobile operating system created and developed by Apple Inc. exclusively for its hardware. Find out what is the full meaning of IOS on Abbreviations.com! List of 405 IOS definitions. IOS: Internetwork Operating System: IOS: Institute of Software (Chinese Academy of Sciences) IOS: International Organization for Standardization: IOS: Issues of Substance (Canada) IOS: Index of Services (service industries; various locations) IOS: Independent On Sunday: IOS: Isles of Scilly: IOS: iPhone Operating System (Apple) IOS: Institute of Swimming (UK) IOS It is proprietary software, … 'Internetwork Operating System' is one option -- get in to view more @ The Web's largest and most authoritative acronyms and abbreviations resource. Top IOS abbreviation meanings updated September 2020 It is the basis for three other operating systems made by Apple: iPadOS, tvOS, and watchOS.

It is the operating system that powers many of the company's mobile devices, including the iPhone and iPod Touch; it also powered the iPad until the introduction of iPadOS, a derivative of iOS, in 2019. What does IOS stand for? It is the world's second-most widely installed mobile operating system, after Android.