Consumers are being warned about the accuracy of heart rate apps after a study found huge variability between commercially available apps, even those using the same technology. (sciencedaily.com)
There are also heart rate apps for your cell phone and pulse monitors built into many fitness bands and smartwatches. (verywellfit.com)
«Heart rate apps come installed on many smartphones and once people see them it is human nature to use them and compare their results with others,» said last author Dr Christophe Wyss, a cardiologist at Heart Clinic Zurich, Switzerland. (sciencedaily.com)