Like many folks, the silicon bands don't work well for my wrists. I got some stretchy ones via Etsy which worked great.

Just for something new, got a cool orange one from Amazon.

Not as good as the Whoop. Heavily factors in workouts and past few days, so the scores are just a different beast. More training focused than just health.

It hides the recovery metrics on race day, pretty nifty:

Here's some metrics out on a run:

I compared to the gold-standard Polar H10 overnight

Recorded it with HRV tracker, here is the raw data of RR intervals

And HRV Logger will process that for us into what we call HRV:

This trends really nicely with the watch actually! The average is spot on.