I bought this app tonight. It seems to work great except that the dashboard map looks confusing to me. It shows two locations with a blue line between them. My real location is not near the two pins on the map. My location is right at the end of the blue line, nearest the red pin.
If I use Googlemaps on the phone, it shows my exact location so it's not a GPS issue with the phone.
This is what the map looks like:
The pink pin with my "approximate location" is way off. This location is about 80 miles away from where I am:
If I zoom the map near the red pin, my actual location is the end of the blue line on this part of the map. The red pin showing my "gps location" is also off the mark: