Looks like some are having issues with the HR accuracy on the FitBit Sense, some even stating they're moving back to the Ionic ... Solved: Re: Fitbit Sense and Heart Rate - Fitbit Community
Best Answer
Fitbit Product Experts Alumni are retired members of the Fitbit Product Expert Program. Learn more
Yes, some are reporting issues with the accuracy of the Sense HR readings, and others are not experiencing any problems at all. I have checked mine against the Polar chest strap on the elliptical, and the Sense is usually 8 to 10 beats lower than the Polar, which I find acceptable.
Best Answer