HealthPulse — Your Personal Health Scanner in Your Pocket
Ever wondered if your smartphone could double as a health monitor? Meet **HealthPulse**, a free, privacy-first Android app that turns your phone's camera into a powerful health scanning tool. **How It Works** Simply place your finger over the rear camera, and HealthPulse uses photoplethysmography (PPG) technology — the same principle behind hospital pulse oximeters — to analyze blood flow through your fingernail. The camera flash illuminates your finger while advanced signal processing algorithms detect subtle changes in light absorption with every heartbeat. **8 Health Metrics in One Scan** In just 10-15 seconds, you get: Heart Rate (BPM), Blood Oxygen (SpO2), Blood Pressure estimate, Stress Level, Breathing Rate, Heart Rate Variability, Blood Flow (Perfusion Index), and BP Status — all from a single finger scan. **Your Data, Your Device** Unlike other health apps, HealthPulse stores everything locally. No cloud uploads, no accounts, no data sharing. Your health information never ...