Last Updated on February 2, 2023 by pg@petergamma.org
No, but this is what Rob ter Horst and the people who offer him sports devices for free for testing want to make us believe.
But there is no scientific basis for these claims.
We do not know of any direct comparison studies of different chest straps from different brands in scientific papers.
We do not know of any scientific papers who proof that the Apple watch Ultra is more accurate than the Apple watch 3, which has already been tested in a scientific paper.