4.0

Quantified Scientist did a review recently (watch the second half for recent devices, first half is for old devices). But basically, for him and his body, the Apple Watch matched his sleep stages more than Whoop did. Though the MG does appear closer than the 4.0, given what you have I’d err on the s

Depends what you're searching for. Polar Loop is better in HR accuracy than Whoop 4.0 and Helio Strap when worn on the bicep. It's a dumpster fire like the others when worn on a small wrist like mine. Sleep tracking is good. Activity tracking works and has a daily goal with three options to choose f

I have had so many. Fitbit Charge, Charge 2, Charge 3, Charge HR, Fitbit Flex, Fitbit Alta, Apple Watch 3, Apple Watch Ultra 2, Polar Verity Sense, Whoop 4.0, Samsung Smartwatch, Oura Ring 2, Oura Ring 3, and I just got the Whoop 5.0 through my FSA. Honestly they’re all fine but it depends on your f