Cortisol+ Stress & HRV Monitor

Cortisol estimation app using Apple Watch heart rate, HRV, and sleep data

iOSApp Store (US)★ 4.5 · 83 ratingsfreemium

An Apple Watch app that estimates cortisol and tracks stress by analyzing heart rate, heart rate variability, and sleep data. It helps users detect rising stress before it becomes a larger problem by providing real-time cortisol and stress awareness; offered as a freemium mobile app and generally well-reviewed.

Website iOS

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