Isn't the major difference that it's built into iOS, whereas stuff like Tile requires other people to have that app installed?
It's not like these devices have GPS installed, they're reliant on devices around them to do the reporting.
It's not like these devices have GPS installed, they're reliant on devices around them to do the reporting.
Putting something in someone's car once is a lot easier than putting something in someone's car and then recharging it once every couple of days.