You can cancel your membership by:
Log into your account
Go to the "my account" page
Click the "Manage" button on the Virtual Mobility Coach icon.
Scroll to your subscription and click the subscription
Click "Cancel"
Fill out brief exit form and click "submit"

*If you subscribed through the app, you can either cancel through the app itself or though the apple app store or the google play store depending on what platform you're on.

Apple app store --> here
Google play store --> here

Sorry to see you go!