Google Fit for iOS introduces heart rate measurement via iPhone camera

Earlier this year, Google introduced the ability to track heart rate and breathing rate using Android devices, and now such a function appeared and on the iPhone. This only requires the Google Fit app.

To measure the heart rate, you need to press your finger against the rear camera lens. The app recognizes “the smallest color changes in your fingers” to capture blood flow. In doing so, the algorithms take into account lighting, skin tone, age, and other factors that may have an impact.

For greater accuracy, it is recommended to turn on the flash on your smartphone or use an additional light source. The function works offline without a network connection. The measuring process takes about 30 seconds. At the output, the user receives a graph of the heartbeat and the number of beats per minute with the ability to save the value in Google Fit. It can also be specified deviation from the norm.

Breathing is assessed using the smartphone's front camera. To do this, the device must be placed in front of you on a stable surface so that the head and the entire upper body are included in the frame. Next, using the prompts, Google Fit will ask you to breathe in order to estimate the frequency of breaths by the movements of the chest.

Google warns that the measurement results are not intended for medical purposes and should not be used to diagnose, treat, cure or prevent any disease. Nevertheless, the accuracy of such measurements has been proven in clinical trials.

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