Cardio Rings - HR Zone Tracker

Interested in longevity and heart health? Then you know the importance of training in different heart rate zones. Meeting weekly targets for each zone can improve endurance, fat oxidation, blood circulation and so much more. It's a workout for your heart muscle, so you're less likely to have heart issues. Cardio Rings helps you meet your heart health goals every week 1. Set Weekly Targets: Choose how long you want to train in each zone 2. Close the Rings: Keep exercising and watch your rings fill up 3. Improve your heart health: Track improvements in metrics like max and resting HR