I’ve owned both the current GT5 Pro Max and an earlier version (and have recommended the Pro Max to friends), and as an Apple-trained technician, have set up the Apple Watch for people. I find in every way the GT5 Pro Max is superior in almost every way. Easier to configure, a wider range of functions, highly accurate health monitoring, longer battery life and a better price. It currently uses your cell phone for GPS and cellular but if Fitvii added a model with these functions on-board, it would be the true king of watches. Well done!