Measure your pulse by glancing at your phone! Give it a try! It's fast, free, and simple to use. No blinding flash or smudged camera lens. Readings can be saved to Apple Health. Works by detecting micro-blushes of the face, imperceptible to the eye. Interested in this tech for something else? Send us a quick email. We'd love to make it easy for you. Suggestions? Questions? Feedback? Email us at [email protected]. [Intended for fitness, not medical use.]