Thoughts on the Spire?

Hey everyone. I did a quick search and couldn’t find anything on this device. (

Has anyone bought it or tried it? It thought it looked pretty interesting. Getting the data out would be likely be tough, but they’re probably just using an undocumented API that can be tapped into.

Any thoughts?

Late reply, but I’ve been using Spire Stone for more than a year. I think it’s a well put together product, does what it says on the box. There is an API.
I think breath rate is a good indicator for stress.
My device has worked reliably and the battery life is good too.
Having a physical device clipped on my belt serves as a reminder to slow down and use my breath rate as an anchor to relax more.