![Sudden drop or change in cardio fitness score (VO2 max) on your Apple Watch and iPhone Health app? - MyHealthyApple Sudden drop or change in cardio fitness score (VO2 max) on your Apple Watch and iPhone Health app? - MyHealthyApple](https://www.myhealthyapple.com/wp-content/uploads/Health-app-iPhone-Sudden-drop-in-Apple-Watch-cardio-fitness-score.jpg)
Sudden drop or change in cardio fitness score (VO2 max) on your Apple Watch and iPhone Health app? - MyHealthyApple
![Apple Watch series 7 largely underestimating my VO2 max…. It currently has me at 28.9. I also have a Garmin 6x and that has me at 42. I tried repairing the watch Apple Watch series 7 largely underestimating my VO2 max…. It currently has me at 28.9. I also have a Garmin 6x and that has me at 42. I tried repairing the watch](https://preview.redd.it/apple-watch-series-7-largely-underestimating-my-vo2-max-it-v0-aaej64jt6qb81.jpg?auto=webp&s=576850f299429376e48cc04a49e36c66e527eb06)
Apple Watch series 7 largely underestimating my VO2 max…. It currently has me at 28.9. I also have a Garmin 6x and that has me at 42. I tried repairing the watch
![Sudden drop or change in cardio fitness score (VO2 max) on your Apple Watch and iPhone Health app? - MyHealthyApple Sudden drop or change in cardio fitness score (VO2 max) on your Apple Watch and iPhone Health app? - MyHealthyApple](https://www.myhealthyapple.com/wp-content/uploads/Boost-in-cardio-fitness-score-due-to-birthday.jpg)
Sudden drop or change in cardio fitness score (VO2 max) on your Apple Watch and iPhone Health app? - MyHealthyApple
![Apple Watch's new cardio fitness notifications explained: What is it, how does it work | Wearables News Apple Watch's new cardio fitness notifications explained: What is it, how does it work | Wearables News](https://images.hindustantimes.com/tech/img/2020/12/15/1600x900/Untitled_design-19_1608008589609_1608008598884.png)
Apple Watch's new cardio fitness notifications explained: What is it, how does it work | Wearables News
![Has anyone ran into drastically different VO2 Max Numbers? My Apple Watch(Series 6) says my VO2 Max is below average and Garmin (Forerunner 55/Edge830) says I am in the top 1% in Has anyone ran into drastically different VO2 Max Numbers? My Apple Watch(Series 6) says my VO2 Max is below average and Garmin (Forerunner 55/Edge830) says I am in the top 1% in](https://preview.redd.it/has-anyone-ran-into-drastically-different-vo2-max-numbers-v0-f07bgetuhlf91.jpg?width=640&crop=smart&auto=webp&s=5bd2a9f8380469fb59b924264f8187ded52579a8)