Cortisol+
The cortisol tracker your Apple Watch was missing
Cortisol+ launched on May 26, 2026 with 3 votes, #3,449 of 20,538 launches that month and more than 50% of that year's launches.
What it does
Real-time cortisol estimation powered by Apple Watch biometrics. See your stress, sleep, and recovery — decoded.
Real-time cortisol tracking from Apple Watch HRV and sleep data — no lab tests needed. Free app trusted by 5,000+ users. Download for iOS 17+.
Cortisol+ estimates your cortisol in real time using HRV, sleep stages, and 10+ Apple Watch signals — no lab, no needles. Real-time tracking, deep biometric breakdown, an AI coach, sleep analysis, and a community on the same journey. 4.6 out of 5 stars across 36 ratings on the App Store — and growing every week. People with Apple Watches who actually want to understand their stress. Continuous estimation from heart rate variability — the gold standard for autonomic stress. See how sleep stages drive next-morning cortisol — and what to fix tonight. Guided protocols that measurably drop your cortisol score in minutes. Symptom by symptom, food by food. The complete guide to understanding and…from cortisolplus.com
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