"Its all you need...and all you'll want once you start analyzing your own data" - Apple store review
"I've tried almost every HRV app I can get my hands on in the App Store. This is on my short list of go to apps for giving valuable information about your parasympathetic nervous system activity over time. I love it." - Apple store review
Acute HRV Changes Analysis
How does your body respond to training, travel, and other stressors?
HRV Trends Analysis
Better understand the big picture. How are you responding to your plan?
Investigate the relation between training, physiology and more
Training Load Analysis
Analyze chronic training load, acute training load, readiness & injury risk
A marker of your cardiorespiratory fitness related to performance
Training Polarization Analysis
Get an overview of how hard you are training
Lactate Threshold Estimation
Improve your training pacing and racing strategies