Yes, but it's all about what happens if you get an alert at 3 am on a dark winter nights. With SkyTag you just confirm you're not with the vehicle -- no venturing outside to be, potentially, beaten up by the gang of thieves. They, and the police, then have live tracking of where your vehicle is. That's why the police like SkyTag, because they have all of the "live" information and they're in control.
You get what you pay for, and if you're treasured Landy is stolen, only the best will do.