Apple is now 10 years into Apple Watch, and it is just so far behind Garmin.

Heart monitoring is somewhere Garmin is trailing.

The latest Apple optical wrist heart rate sensor is marginally more accurate than Garmin in some situations. But as a practical matter it's kind of moot because anyone who really cares about accurate heart rate data uses an electrical chest strap anyway.

	▲	lostlogin 4 days ago \| parent [-]
		> anyone who really cares about accurate heart rate data uses an electrical chest strap anyway. I want to check, but not for exercise, for AF detection. Surely no one wears a chest strap full time.