If you purchased your Studycat free trial or Subscription on Google Play, our subscriptions and payments are processed through your Google ID account.
To view, change, or cancel your subscriptions, please sign in to your Google ID account. Instructions are available here:https://support.google.com/googleplay/answer/7018481
If you have any issues cancelling your subscription with Google Play, please use the Submit a Request from the link below:
https://help.studycat.com/hc/en-us/requests/new