Sorry to hear that you are thinking of cancelling the subscription.
Would you mind giving us a second chance? Just email us at firstname.lastname@example.org and we'll be happy to explain how you can use Premium to its fullest.
Your subscription must be cancelled at least 24 hours prior to its end.
If you are an iOS user please use this flow.
Here are the steps for Android.
Once you've cancelled your membership, you can still use it until it expires, at no charge.