Study finds Apple Watch is most accurate wearable at measuring heart rate

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Apple Watch sensors
Has your Apple Watch's sensor panel popped off?
Photo: Jim Merithew/Cult of Mac

When it comes to measuring heart rate and calories burned, not all fitness trackers are created equal, based on the findings of a scientific study that pitted the top wearables on the market against each other.

The in-depth study conducted by researchers at Stanford University was published today, revealing that Apple Watch is the most accurate wrist-worn tracker on the market, but it’s still far from perfect.

Apple Watch heart rate monitor is a beat ahead of the competition

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Update your fancy wrist computer to the latest watchOS.
Apple Watch blasts your wrist with green light to read your pulse.
Photo: Ste Smith/Cult of Mac

Fitness fanatics that want a good heart rate reading from their wrist better get an Apple Watch.

A new study of the four most popular wearables on the market found Apple Watch to be the most accurate smart watch for tracking heart rate. And it wasn’t even close.