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Home > ECHO > FAQs > Why is there no watch compilation?
Why is there no watch compilation?
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The Echo app's technology broadcasts your Apple Watch's heart rate by using your phone's Bluetooth. So, your phone must be running in order for Echo to work correctly. 


While a watch complication would allow users to quickly launch Echo from the watch, unfortunately, there's no reliable way at the moment to start a phone app from the watch. 

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