How a phone camera can read your pulse
Every heartbeat changes the color of your skin very slightly, and a camera with the right software can turn that change into an estimate of your pulse.
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The Doc24hrs guide
Short, plain reads on how camera scans work, how to read your results and the everyday habits around them.
Understand the scan
How a camera can pick up your pulse, what your results mean and how to get a clear reading.
Wellness estimates, explained
What the numbers on your results screen mean, how the bands and risk estimates work, and why a trend tells you more than any single scan.
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Five tips for a good scan
Even light, a steady phone and about 30 seconds of stillness make the biggest difference to a camera scan.
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General background on heart rate variability, and a calm way to make check-ins a family habit.
Heart rate variability, in plain words
Your heart does not beat like a metronome, and the small changes in time between beats reflect how your body is balancing activity and rest.
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A simple family check-in routine
A short check-in at a regular time, in similar light, can become a calm habit for the whole family.
Read the articleEducational content, not medical advice. Doc24hrs results are wellness estimates, not a diagnosis.