The phrase refers to the action of saving video content from the YouTube platform onto devices operating with Apple’s iOS operating system, such as iPhones and iPads. An example would be a user employing a third-party application or a web-based service to transfer a YouTube video file to their iPhone’s storage for offline viewing.
The practice offers users the advantage of accessing YouTube content without requiring an active internet connection. This is particularly beneficial during travel, in areas with limited connectivity, or to conserve mobile data. Historically, this functionality was not directly supported within the official YouTube application, leading to the development and use of various alternative methods.