Originally Posted by
jtaylor996
First, he's complimentary of almost everything. And, as of his latest optical review (the 235 I mentioned) is still showing plots where these things don't track HR properly compared to chest straps. For instance, the screwed up purple one in this plot is the mio sensor that was licensed out to tomtom:
There are tons of situations where he's showing even the best of these things not tracking HR properly (hill repeats, etc).
With my heart condition, HR is super important for me, so optical is just not good enough. It's just a "bpm" to you, but some of us care about this on a second by second basis.
But many folks say the same thing about straps. The reports of malfunction are many. As I said, in my case it takes 20 minutes just to get the first reading. You pays your money, and you takes your chances.