There are two feature advantages to the Galaxy Watch 5 Pro over the Galaxy Watch 5 and Galaxy Watch 6 series: Route Workout and Track Back. Route Workout is a way to follow pre-determined routes Simply put, the Samsung Galaxy Watch 6 does not work with the iPhone — all because of baked-in compatibility issues. The Samsung Galaxy Watch 3 debuted in 2020 and was the last to run Tizen r0QM.