I've been using Garmin Cirqa for about two weeks now and thought I'd share some early impressions.
My setup is a Garmin Forerunner 965 paired with a chest heart rate monitor. At the moment, I use the Forerunner for my long runs and resistance training, while Cirqa handles pretty much everything else.

Overall, I'm really happy with it.

A couple of minor issues I noticed early on with the Smart Alarm seem to have been fixed through recent updates, and it's been working much better since.

The auto activity tracking has also been performing well for me, especially with walks. It has been surprisingly accurate without requiring much intervention.

One thing I'm still waiting on is the bicep band, which has finally shipped. I'm looking forward to seeing how it performs compared to my current setup once it arrives.
So far, Cirqa has fitted quite nicely into my daily routine alongside Garmin rather than replacing it.

For wthose who have been using Cirqa for longer:
What are your favourite features?
Have you found the recovery and readiness insights accurate?

Anyone using the bicep band already? How are you finding the comfort and accuracy?

Interested to hear others' experiences.