We tested the JAS Location Tracker last weekend at the Maker Faire in San Mateo. It performed beautifully. I was using a Sony Alpha 6000 which does not have a GPS. I used Graphic Converter to add the JAS Location data to the photos taken on the Sony Alpha 6000. Every photo got location information. Excellent. In addition to the location data, we got the total miles walked and a great map that showed everywhere we went. I especially liked the Apple Watch connection. This is an outstanding app for the price.