Garmin integration is one of the many features of our FitOn PRO premium service which you can learn more about here.
To link your Garmin device, please follow these steps:
Go to Profile > Settings in our app & tap on Garmin at the top
Once in Connect IQ, select Download which will install our app on your device & automatically redirect you back to our app
Now simply start any workout on FitOn which will display your real-time heart rate and calories burned to help you improve your workout intensity.