Wirecutter’s Medea Giordano argues that even in the age of smartphones with built-in map apps, there’s still a place in your car for a dedicated GPS device: “there are cases when a phone just doesn’t cut it—say, in rural areas where coverage is questionable, or if you simply don’t want to drain your phone’s battery and data plan. Or when you’ve just found it frustrating to use a phone for long trips, like I have.”