JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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.
JotForm Support Manager
Yes, you can upgrade for a couple of months, then you can ask us to cancel prior to the third charge. You'll have to download all your data before downgrading. To know how to do that, please check this guide
I hope this clarifies your doubts.