Pulselens field notes
Understand the signal behind the number.
Clear explanations of heartbeat timing, recovery and camera measurement—grounded in published research, without turning a wellness reading into a diagnosis.
How to check HRV without a watch
What a phone camera can measure, what a finger pulse cannot, and how to make each reading comparable.
Resting heart rate by age
Evidence-based ranges for adults and children, plus the reasons your own normal matters more than one number.
Can a face scan detect diabetes?
What cameras can and cannot tell you about blood sugar, and the risk screen that is actually validated.
Indian Diabetes Risk Score calculator
Four validated questions that tell you whether a blood sugar test is worth doing now.
Resting heart rate and diabetes risk
Why a faster resting pulse is linked to type 2 diabetes, and how to bring it down.
Low HRV: causes and what it means
Telling a bad night apart from a real pattern, and proven ways to raise it.
Pulse wave shape and artery stiffness
What the shape of each heartbeat reveals about your arteries, and what a camera can add.
Normal respiratory rate by age
Breaths-per-minute chart for every age, how to count correctly, and when fast breathing needs care.
Normal vital signs chart
Adult ranges for pulse, breathing, blood pressure, oxygen and temperature — and which a camera can check.
Target heart rate calculator
Your max heart rate and five training zones by age, sharper with your resting pulse.
HRV normal range by age
Typical RMSSD at every age and why your own trend matters more than any chart.
Check heart rate with your phone camera
How a camera sees your pulse, how accurate it is, and six tips for a clean reading.
Pulse rate check online (free)
Check your pulse online in 60 seconds with your phone camera, or by hand — and what the number means.
Online stress check using your camera
What a camera can honestly show about stress: heart rate and HRV patterns, not a diagnosis.
Normal pulse rate chart: men, women, children
Resting pulse ranges by age and sex, with India-specific context and when to see a doctor.
Your signal, not a generic average