Is it reliable to measure heart rate with a phone camera? How to do it accurately?

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Frequently Asked Questions

1.

Is it possible to measure heart rate accurately with a smartphone camera?

Yes, it is possible to measure heart rate using a smartphone camera. However, the accuracy may vary. Apps that utilize photoplethysmography detect changes in blood volume beneath the skin, but those requiring direct contact with the camera generally provide more reliable readings than those that analyze facial data.
2.

What are the best heart rate measurement apps available for smartphones?

Some of the best heart rate measurement apps include Cardiio: Heart Rate Monitor for iOS, which offers quick readings and syncs with Apple Health, and Instant Heart Rate: HR Monitor, available on both iOS and Android, providing additional features for a subscription fee. Both apps help users track their heart health effectively.
3.

How do I measure my heart rate using my phone's camera?

To measure your heart rate using your phone's camera, download a compatible app like Cardiio or Instant Heart Rate. Follow the app's instructions, usually involving placing your finger over the camera lens to allow the app to detect blood flow changes and calculate your heart rate accurately.

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