This is an amazing tool that can detect your heart rate through your iPhone's camera.

- How to detect?

1. Tap "Start analyzing" button.

2. Place your finger on the flash.

3. Wait for about one minute.

4. Get your average heart rate after some data example.

- Measuring accuracy.

1. I want you to appreciate that this is a small percentage error. But you can't depend on the accuracy.

I hope you like it, thanks.

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