![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/f3v1Nl742GFxtlHRmu0Pk9_H-QM=/0x0:2040x1360/2000x1333/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
![I tested the Fitbit Sense and Versa 2 for heart rate accuracy. Both failed against Scosche Rhythm+ armband. : r/fitbit I tested the Fitbit Sense and Versa 2 for heart rate accuracy. Both failed against Scosche Rhythm+ armband. : r/fitbit](https://i.redd.it/5g5s4ipkwrp51.jpg)
I tested the Fitbit Sense and Versa 2 for heart rate accuracy. Both failed against Scosche Rhythm+ armband. : r/fitbit
![Amazon.com: Fitbit Charge 2 Heart Rate + Fitness Wristband, Black, Large (US Version), 1 Count : Sports & Outdoors Amazon.com: Fitbit Charge 2 Heart Rate + Fitness Wristband, Black, Large (US Version), 1 Count : Sports & Outdoors](https://m.media-amazon.com/images/I/81cp0NTn-EL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Fitbit Charge 2 Heart Rate + Fitness Wristband, Black, Large (US Version), 1 Count : Sports & Outdoors
![I tested the Fitbit Sense and Versa 2 for heart rate accuracy. Both failed against Scosche Rhythm+ armband. : r/fitbit I tested the Fitbit Sense and Versa 2 for heart rate accuracy. Both failed against Scosche Rhythm+ armband. : r/fitbit](https://i.redd.it/jyinnjpkwrp51.jpg)