I have a question about my Fitbit device. KARDIO KREW February 09, 2015 17:27 The best place for device specific support of your Fitbit tracker is the Fitbit support site. Related articles How do I connect my Fitbit? Devices that work with KrowdFit Using a Fitbit with KrowdFit. I have my Fitbit connected but there is no data. How long does it take my data to sync? Comments 0 comments Please sign in to leave a comment.