Apple released its watchOS 7.2 alongside iOS 14.3 and the big new addition for watch users is cardio fitness measurement which classifies your cardio fitness level based on your age group and sex. There are four fitness level categories from low to high. You will receive notifications if your measurements fall in the low range. The whole classification happens via the V02 max readings on the Apple Watch and comes just in time for the launch of Apple’s Fitness+ subscription service.



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