>>18261828I have a galaxy watch 4 and an older smartband idk about apple watches and other brands
depends how much you care about tracking your daily activity, calories, steps, training
all the health sensors are neat, you can sorta treat them like an early warning system
>blood pressure>ekg>pulse>o2fun for controlling your music or paying in a store without taking your phone out of the pocket
it's a fun gadget for sure but it's not a must have by any means