There are fixed rules of the time period when you cannot cancel the subscription, but there are times when you can cancel the subscription as well. You may have to serve a day or a week’s of notice. If you do not cancel the subscription and simply stop using the service, then you will continue receiving the bills as most of them are auto-generated. It is mandatory to notify. You can stop using the service anytime you want; you can share feedback or simply notify and stop the service.: