This specific operating system version, released by Apple, dictates the compatibility of applications that can be installed and run on devices such as iPhones and iPads. Consequently, software developers target their products to function optimally within the parameters established by it. Devices running this version are limited to the apps designed to work within its technical specifications.
The relevance of understanding application compatibility with this particular iOS release stems from its continued use on older devices. While newer software often necessitates updated operating systems, many users retain older hardware. This creates a demand for applications, especially utility programs and some games, that remain functional and secure. Furthermore, the existence of an ecosystem of software for this version provides continued usability for older Apple devices that might otherwise be rendered obsolete.