The problem seems to be the three cameras built into the iPhone 11 Pro Max. Food and Drug Administration.īeware - this app simply doesn’t work with the flagship Apple iPhone 11 Pro Max. The Cardiio app has not been tested with individuals with health conditions, is not a clinical pulse oximeter and has not been cleared or approved by the U.S. Measurements and statistics are intended for informational and educational purposes only, to support general health and wellness. Cardiio is not intended to diagnose, prevent or treat any condition, or to be a substitute for professional medical care. If knowing your pulse rate is critical to your health, you need to have your pulse taken by a medical professional. Lifehacker - 'it’s a little mind-blowing.' PC Magazine - '… the app is simple, yet beautiful and pretty slick.'Ĭult of Mac - 'Cardiio is one of those apps that wows you.' Cover the entire back camera lightly with your finger Don't press too hard to avoid restricting blood flow to your finger.ALWAYS hold your phone steady, keep still, and don’t talk during a measurement.By using your smartphone camera to capture tiny changes in reflected light from your finger, Cardiio can calculate your heart rate. In between beats, less light is absorbed. Every time your heart beats, the blood flow to your finger increases, causing more light to be absorbed. *Upgrade to PRO to enjoy the full features of the app!īlood absorbs light. Save your heart rate measurements to the Apple Health app.Save, edit, annotate, export your data (CSV).

Personal dashboard with history (daily, weekly and monthly).Built-in high-intensity circuit training exercises that only takes 7 minutes to complete.See how your heart rate relates to your fitness and endurance.Just hold your iPhone or iPad and simply cover the back camera with your finger to read your pulse.*** Featured on The Doctors (CBS), ABC News and more *** Cardiio helps you measure your pulse (heart rate) using your phone camera, learn how the numbers relate to your general wellness, perform effective workouts to get in shape, and track your progress.

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