You can view your current membership by clicking on your Profile picture from the main Golfshot screen > Subscription > your current subscription plans and renewal dates will reflect here.
Any in app purchase is managed by your Google Play account and not the Golfshot app itself. Subscriptions can only be canceled through this account.
Here is some information on how to manage a Google Play subscription through your Google Play account:
https://support.google.com/googleplay/answer/2476088?hl=en
If you purchased Pro or Golfplan through our website then you can cancel through your account online at play.golfshot.com Go to settings from top right dropdown > Click Memberships > View Details. Turn the auto renewal off here.