You can only cancel a monthly auto-renewing cult.fit membership. You cannot cancel an active one time pack. You can however, transfer your pack to a friend for a nominal transfer fee of Rs 750. To transfer you r pack, follow the below steps:
  1. Head to the app
  2. From the profile section on the Home page, go to Active packs/Subscriptions
  3. Tap on your active pack
  4. Tap the 3 dots and Report Issue
  5. Pick Membership transfer

We'll takeover from there and help you out :)