Have you ever wanted to measure your cardio fitness and determine your endurance during workouts and jogs? In that case, you’re in for a treat since Apple now allows users to easily check their cardio fitness levels directly on their iPhones, provided they use an Apple Watch as well.

With the recent iOS 14.3 and watchOS 7.2 software updates, Apple released a new Health app feature that shows cardio fitness levels with the help of your Apple Watch. This is made possible by measuring VO2 max which is considered to be the most valid measure of cardiovascular…