The original 2010 iPad ran iPhone OS 3.2, renamed iOS later that year with the release of iOS 4. Over time, as the entire family of iOS devices evolved, iOS on iPad gradually gained features not available on iPhone, such as picture–in–picture and multitasking options, such as Slide Over and Split View, added in iOS 9 in 2015, then drag and drop between apps, introduced in iOS 11 in 2017 along with an overhauled Dock.
Optimised for iPad
Now, to formalise the divergence, iOS on iPad has been renamed iPadOS. While it’s built on the same foundation as iOS, it offers apps optimised for iPad’s larger display, multitasking features, and new capabilities such as support for USB flash drives and other external storage.
The first difference you’ll notice is the…