Google PlayStore subscriptions can be cancelled from the PlayStore account from which the purchase was made. Please see https://support.google.com/googleplay/answer/7018481 Apple iTunes subscriptions should be cancelled from the Apple account from which the purchase was made. Please see https://support.apple.com/en-us/HT202039 You can view your active subscriptions for MMGuardian from the secure web portal https://family.mmguardian.com. Log into the web portal using your MMGuardian admin email and password, and select the License Status menu item, bottom left. You can cancel subscriptions, other than Apple iTunes ones, from within the MMGuardian web portal.