Yes there is a monthly fee.
Thanks for starting this topic. I will be interest in any real world experiences people can share.
You know that if you are not in an area without cell phone connectivity, the pet gps won't help you find Twinkie.
Tom
2015 Meridian 36M
2006 CR-V toad
3 golden retrievers (Breeze, Jinks, Razz)
1 border collie (Boogie)