Cardio Fitness

Apple Health on iOS 14.3 and watchOS 7.2 now deliver on the improved VO2 Max level measurements for cardiovascular fitness that Apple promised back in September, with better algorithms for analyzing the existing sensor data that should provide users with a clearer picture of their heart health.

Specifically, with watchOS 7.2 users can now choose to be notified whenever their cardio fitness drops below a certain level, and review these levels in the iOS Health app according to age and sex.

The ECG app will also now offer the ability to detect and classify atrial fibrillation at higher heart rates — above 100 BPM — which wasn’t previously possible.