The software foundation underpinning Apple’s mobile devices, including iPhones and iPads, provides a platform for applications to run and manages the device’s hardware resources. It handles tasks such as user interface, security, and connectivity. A common example is the functionality that allows a user to launch a web browser or send a text message on an iPhone.
This software is critical for the functionality and security of Apple’s mobile ecosystem. Its design prioritizes user experience, often emphasizing ease of use and intuitive navigation. Historically, its development has been intertwined with the evolution of Apple’s hardware, resulting in a tightly integrated system.