Questions About Circadify

Remote photoplethysmography (rPPG) is a technique that detects blood volume changes through optical analysis of skin. Each heartbeat causes subtle color variations in your face as blood flows through capillaries. Circadify's camera captures these microscopic changes and algorithms extract vital signs data from the patterns.

Yes, Circadify is completely free to download from the App Store and Google Play. All core wellness scanning features are available without payment, subscription, or account creation.

Circadify provides heart rate monitoring, heart rate variability (HRV) analysis with both time-domain and frequency-domain metrics, and stress indicators based on physiological markers. These measurements help you understand your cardiovascular and autonomic nervous system function.

No. Circadify is designed for personal wellness monitoring and is not intended to diagnose, treat, or prevent any medical condition. Always consult healthcare professionals for medical advice and decisions.

Your data stays on your device. Circadify processes all video and health information locally on your smartphone. Nothing is uploaded to external servers, ensuring complete privacy and control over your personal health information.

Just a smartphone with a front-facing camera. Circadify works on most modern iOS and Android devices. No additional hardware, wearables, or accessories are required.