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doppel Help Center
General FAQs
General FAQs
Who can use doppel, when can doppel be used, and more.
FAQ
How will I know if doppel is for me?
I have an anxiety disorder. Could doppel help me?
Does doppel monitor heart rate?
I have a heart condition. Can I use doppel?
There aren’t any screens or buttons, how do I control doppel?
How do I install the doppel app?
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