Smartwatch BP Check: Accurate But Impractical?

Samsung's Galaxy smartwatches have introduced blood pressure monitoring in the US, a feature that debuted overseas in 2020. This innovation, however, comes with a critical caveat: users must still rely on a separate, traditional blood pressure cuff for both initial calibration and regular readings. The Samsung Health Monitor app requires users to calibrate the watch by taking multiple readings with a cuff, a process that must be repeated every 28 days. This ongoing calibration requirement, along with the need for a separate device, presents a significant practical barrier for widespread consumer adoption.

While Samsung's feature has been tested and found to provide reasonably accurate measurements, its utility is hampered by these logistical challenges. Competitors like Whoop MG have faced regulatory scrutiny for similar features, and Apple focuses on hypertension notifications rather than on-demand readings. Experts suggest that for wearable blood pressure monitoring to become truly valuable, it must offer on-demand readings, background checks, minimal calibration, and achieve FDA approval, indicating that current implementations are still in their early developmental stages.