How Many Wearable Devices Track Each Health & Wellness Metric?

Most devices include multiple health-related features, hence why the tally exceeds the 117 unique devices considered for this study. In this chart, only the most popular features are represented. Metrics such as arterial stiffness or electrodermal activity were each tracked by only one of the wearable devices analized and are not represented in this chart.
Chart: vpnMentorGet the dataCreated with Datawrapper