Try this first before trying anything else. Find My is a staple app for every Apple device, like the iPhone, iPad, Mac, Apple Watch, AirPods, and Beats. This one is a combination of Apple’s Find ...

but there's no iPhone app. Despite that, you can still keep tabs on the real time locations of your contacts if they have iPhones—more on that in a moment. The new People tab in Find My Device.

Your Mail app can sort your emails into different categories, but you don't have to use them if you don't want to.