Firstly, I don't going I suffer from AF,it mywife that has PAF.
I have a FitBit Charge ,4 and have had it a while.I just received an email inviting me to allow my fitbit data to be analysed for signs of AF. They will mainly be checking my data during sleep.
For those with fitbits,this might be something to explore.
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Yes, all Fitbit users (who use a watch with the capability) are receiving the notification. On trying to register for this update, most on this forum will find that it is not intended for use by those who already have AF.
I decided to bypass this obstacle by saying I didn't have it. I am truly A-Fibber!
Let's see if it's of any use.
I don't believe my Versa has that function.
No, I believe it's only the Charge and the Sense which have the feature. I believe similar to the Apple Watch, they take a sample while you are at rest / sleeping and then suggest you need to see someone about it. You can also take an on demand ECG - my experience with the Apple watch that if it detects something in the ECG it flags it as "inconclusive" - not really as helpful as a better device. I think they roll out the functionality as they get approval by the FDA or equivalent.
Fitbit
Fitbit 
Persistant AF & feeling rythm could be improving how can I check.
Fitbit & Kardia disagree ….
