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![Deepesh Singh Rajput](https://ph-avatars.imgix.net/2670560/original.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=48&h=48&fit=crop)
Deepesh Singh Rajput
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Beginning today, any Fitbit device with an optical heart-rate sensor can link with the Cardiogram app on their iPhone or Android phone. Like Fitbit's smartphone app, Cardiogram uses the data collected by your fitness band to paint a visual picture of your health, including emotions and sleep. There are some new smartwatches available in which this types of applications are already installed if...
![Cardiogram](https://ph-files.imgix.net/4f2bad24-961a-4e66-af1c-d2af2fa1703f.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=48&h=48&fit=crop)
Cardiogram
Continous heart rate for Android Wear and Apple Watch