With the upcoming iOS 18.4 update, iPhones will allow Google Maps as the default navigation app, but not for everyone.

it’ll load in Apple’s Maps app for iPhone and iPad instead. To start using Mapper, all you have to do is enable the extension with the two methods I described in my iOS 15 review: you can either do so ...

The second developer beta of iOS 18.4 brings Visual Intelligence to the iPhone 15 Pro, and introduces an Apple Vision Pro app along with new Emoji characters.