Download Free Heartbeat Monitor Updated [2026]

Created by MIT and Harvard researchers, this app uses your iPhone’s camera to detect micro-changes in light reflected off your finger to calculate your BPM.

One of the most popular choices worldwide, it offers instant readings and can generate printable PDF reports to share with your doctor.

You place your fingertip over the camera lens and flash. download free heartbeat monitor

The flash illuminates the capillaries in your finger. With every heartbeat, blood volume in the finger increases, changing the amount of light reflected back to the camera. The app’s algorithm detects these tiny pulses to calculate your heart rate. Accuracy of smartphone apps for heart rate measurement

If you’re looking to , you no longer need expensive chest straps or medical-grade pulse oximeters to get a quick reading. Modern smartphones are packed with sensors—specifically cameras and accelerometers—that can turn your device into a highly capable health tracker. Created by MIT and Harvard researchers, this app

While it offers a premium tier, the free version is excellent for tracking Heart Rate Variability (HRV) to analyze stress and energy levels. How Smartphone Heart Rate Monitors Work Most free downloads use contact photoplethysmography (PPG) .

This app is unique because it uses seismocardiography (SCG) . Instead of the camera, it uses your phone's accelerometer to detect tiny vibrations from your heart while the phone is resting on your chest. The flash illuminates the capillaries in your finger

A comprehensive health suite that allows you to measure heart and respiratory rates simply by placing your finger over the rear camera lens.