You can do iPhone split screen multitask to use two apps on screen at once, without a jailbreak. Maybe you want to scroll your Instagram feed at the same time as playing a YouTube video. The iPad ...

You can't split the iPhone screen to show two apps at the same time, but you can use Picture-in-Picture mode and quickly switch between apps.

This isn’t possible on iPhone, but it should be. Some third-party developers have found clever ways to implement split-screen features in their iPhone apps.