FAQs

VyTrac analyzes signals taken from a person’s upper cheek area (does not include a video of the eyes) to detect the different vital signs.

VyTrac is supported by devices running on iOS 11.0 and up (such as iPhones and iPads) or on Android 9.1 or above and has been tested on various mobile vendors (Samsung, LG, Xiaomi, Huawei, etc). To check if your device supports the App, please go to your device’s settings where the operating system is named.

Yes, you can. The app does not analyze video from the eyes, so you may wear glasses or sunglasses and the app will still work perfectly.

Yes. The app analyzes video from under the eyes/upper cheek area.

Yes, the app works perfectly on any skin color.

The app has been tested on subjects between the ages of 4 and 96, and it is consistently accurate.

The app applies illumination normalization and can, therefore, function well even in low light environments, though not completely in the dark. Some light is necessary for the camera to detect there is a human face in the video.

For best results, we recommend keeping the camera no farther than 60 cm / ~ 20 inches.

The app compensates for movements and you will notice that four blue corners around your head move together with your face as you move. Nevertheless, your face needs to show within the frame of the camera itself. For best results though – we recommend standing still or sitting.

The app should work while you walk or drive, but it’s not recommended for use while running.

No, the app does human face detection, not facial recognition. No video or image of the person is being saved.

VyTrac records the results of your measurements so you can keep track of measurements, history and trends. VyTrac does not save any pictures or video of the app’s users, only the measurements’ results. For information on privacy issues, please read our Privacy Policy.

Yes, you can. The app runs on the device and no internet connection is needed. Keep in mind though that without an internet connection, the measurements are not recorded and you will not be able to see any history or trends.

No, the app works on video only.

No, only one person at a time can have their vital signs measured.

No, the app works only on human faces.

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