An IPA file serves as an application package archive used by Apple’s iOS operating system. It essentially is a ZIP archive containing data that constitutes a specific application, enabling its installation on an iPhone, iPad, or iPod Touch. For instance, a file with this extension might contain the data required to install an educational game focused on mathematical concepts and restaurant simulations.
Such archives offer a convenient method for distributing and installing applications outside of the official App Store. Historically, they have facilitated application testing during development phases, allowed for the distribution of in-house applications within organizations, and provided a means to install older versions of an application if needed. This distribution method can provide increased flexibility in managing software deployments.