Please find information on how to connect your Fitbit and what activities sync with Grokker. If you need further assistance, please email support@grokker.com.
https://support.grokker.com/hc/en-us/articles/360000423472-How-do-I-connect-my-Fitbit-Garmin-or-Google-Fit-account-with-Grokker
https://support.grokker.com/hc/en-us/articles/360000432211-What-activities-from-my-Fitbit-Garmin-or-Google-Fit-are-synced-with-Grokker