![Fitness trackers aren't very accurate at measuring heart rate — and that can be dangerous - The Verge Fitness trackers aren't very accurate at measuring heart rate — and that can be dangerous - The Verge](https://cdn.vox-cdn.com/thumbor/9SFSNq_EQEEfMH5w8sWubWmjqc0=/0x0:2040x1360/1400x1400/filters:focal(1020x680:1021x681)/cdn3.vox-cdn.com/uploads/chorus_asset/file/2447680/DSCF5750.0.jpg)
Fitness trackers aren't very accurate at measuring heart rate — and that can be dangerous - The Verge
![New to the Apple Watch is this Resting Heart Rate variable normal? My Fitbit hovered around 53-57. The Apple Watch jumps huge increments. : r/AppleWatch New to the Apple Watch is this Resting Heart Rate variable normal? My Fitbit hovered around 53-57. The Apple Watch jumps huge increments. : r/AppleWatch](https://preview.redd.it/new-to-the-apple-watch-is-this-resting-heart-rate-variable-v0-osdddhaqfmw91.jpg?width=640&crop=smart&auto=webp&s=432c8aed853b738e8eed44aa6f5d7904e4bd6d5c)
New to the Apple Watch is this Resting Heart Rate variable normal? My Fitbit hovered around 53-57. The Apple Watch jumps huge increments. : r/AppleWatch
![Amazon.com: Fitbit Charge 6 Bundle - Fitbit Fitness Tracker Health Watch with 2 Screen Protectors, Extra Bands and Cloth - Fit Bit Smart Watches for Women & Men with Heart Rate Monitor, Amazon.com: Fitbit Charge 6 Bundle - Fitbit Fitness Tracker Health Watch with 2 Screen Protectors, Extra Bands and Cloth - Fit Bit Smart Watches for Women & Men with Heart Rate Monitor,](https://m.media-amazon.com/images/I/71y5ZtUgAbL._AC_UF894,1000_QL80_.jpg)