OS 18's new contact sharing gives you control over exactly which contacts apps can access, closing a major privacy loophole.

There's obviously the Phone app, which includes Favorites (visual speed dial), Recent calls, full Contacts list, and Voicemail. You can quickly call someone from any of these lists in one or two taps.

Over time, your iPhone's contact list can get rather extensive. Before you know it, you're scrolling through a multitude of people you never call or text. The list gets even longer when you add ...