"How do I download the Fi app?" May 22, 2019 14:52 Updated Follow Download the "Fi - GPS Dog Tracker" app for your iOS or Android device in the App Store or Google Play Store by visiting tryfi.com/app Related articles “How will I know if the Fi collar has cellular coverage in my area?” "Can I track my dog with Fi if I'm traveling outside the U.S.?" “Is the Fi collar safe for my dog? Does it emit radiation?” "Why do I need a subscription?" "When will I receive my order?"