WeightHub for Mac

Weemple WeightHub is an easy-to-use tool to synchronize your body weight data between platforms, with clouds or files.

Clouds:
Fitbit Platform, Google Fit, Garmin Connect (read-only) and Withings Health Mate (read-only).

Files:
Apple Health, Beurer HealthManager, Fitbit, Google Takeout, iHealth, Runkeeper, Withings/Nokia Health Mate and WeightHub.

Types of measurement:
Weight, Fat Mass, Muscle Mass, Bone Mass, Lean Mass, Water and BMI.