What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
Upon checking your account, I see that you were able to cancel your subscription since your account is scheduled to be downgraded to a free plan on June 15, 2015.
So, you don't need to do anything else. Your account will be downgraded on the mentioned date and no further charges will be made to it.
Let us know if we can be of further assistance.