The Plots of the Quantified Scientist Rob ter Horst Roughly Confirmed for Apple Watch 6 & Fitbit Sense

Last Updated on September 26, 2022 by pg@petergamma.org

Writing of accuracy study papers couldn’t keep up with Rob ter Horst to write a new validation paper for every new Apple watch which is on the market. Apple Watch I & III where tested in papers, there are several papers for Apple watch 4, the latest Apple Watch which was tested scientifically in a paper is Apple Watch 6.

The plots of Rob ter Horst are roughly confirmed by a paper for the Apple Watch 6 and the Fitbit Sense: [90.9.2]

European Journal of Sport Science: Wrist-worn devices for the measurement of heart rate and energy expenditure: A validation study for the Apple Watch 6, Polar Vantage V and Fitbit Sense, 31 Jan 2022

90.09 Scientific accuracy study papers with sports chest strap as a reference

Apple watch 6 compared to Polar H10 with an accuracy > 95

Fitbit Sense compared to o Polar H10 with an accuracy 89.24

On the left, Apple watch 6, on the right Fitbit sense, plots from Rob ter Horts, the Quantitative Scientist, Youtube video about Apple Watch 6 Accuracy (Sleep, Heart rate, Steps) 18.10.2020

90.06 Table of the accuracy of HRMs compared to consumer grade reference chest strap

We did not want to waste our time and did not discuss and compare all the data in Rob ter Horsts video with all the data in the paper, but only these values and these plots.