Thanks for letting us know about that. You definitely should not get charged if you have already cancelled your subscription. We'd be happy to help you out with this. Please reach out to us at email@example.com using the email address you signed up with so we can sort it out for you! Just indicate on the email that you reached out via this forum using "bufandgo" as your user name to make it easier to identify the concern. Apologies for any inconvenience this may have caused!
Looking forward to hearing from you!
John and The Spocket Team