Two powerful health watches go head-to-head

The Apple Watch Series 6 and the Fitbit Sense behave and act like smartwatches, but look under the hood and they are two of the most powerful consumer health monitors on the market.

They will show off your notifications, let the music play and track your runs and swims, but also monitor, measure and relay complex health data to the wearer and even to medical professionals.
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https://www.wareable.com/apple/apple-watch-series-6-vs-fitbit-sense-8092