Can I use AirPods Pro 3 heart rate tracking without an Apple Watch?

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Great news if you don't own an Apple Watch: you can absolutely use heart rate tracking on AirPods Pro 3 without one. The earbuds have their own built-in sensor that works independently with just your iPhone.

How the Sensor Works

The sensor inside AirPods Pro 3 uses infrared light to detect blood flow through your ear canal, pulsing 256 times per second. It's sophisticated technology packed into a remarkably small device.

Getting Started

Requirements:

• iPhone running iOS 19 or later
• Fitness app installed

To start tracking:

1. Open the Fitness app
2. Pick your workout type
3. Tap to begin

Your AirPods automatically start tracking heart rate—no extra setup needed.

What You'll See

During workouts, your iPhone displays:

• Real-time heart rate
• Current heart rate zone
• Calories burned (calculated from heart rate data)

All data syncs to Apple Health for long-term tracking, and workouts count toward your Move ring goals.

Accuracy Tips

Testing shows AirPods Pro 3 can match chest strap accuracy during steady cardio. For best results:

• The ear tip that works best for heart rate may differ from what sounds best for music—prioritize sensor contact when working out
• Give the sensor a few seconds to establish baseline readings when you start
• Cold weather reduces accuracy since it limits blood flow to ears

If You Have Both Devices

When wearing AirPods Pro 3 and Apple Watch together, Apple's system automatically uses whichever sensor provides better readings at any moment.

Limitations

Heart rate tracking only works during active workouts—you won't get continuous all-day monitoring like Apple Watch provides. Advanced heart health features (like irregular rhythm detection) still require Apple Watch.