The Apple Watch Series 6 is the best smartwatch on the market for an iPhone. It has better integration with the iPhone and is fast, fluid and responsive in a way that many rivals simply aren’t.
excellent haptics; great always-on screen; ECG; great health tracking; great activity tracking; 50m water resistance; solid battery; comfortable; quick-swap straps; Apple Pay.
expensive; only works with an iPhone; sleep tracking not great; blood oxygen data not that useful.