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.
Do you mean, you want to upgrade your account to our paid plans and only used it for three months (90 days) then cancel it after this period? If yes, then sure you can. You can cancel the subscription before the 4th-month recurring payment date.
If you are simply asking if you can use a form for 90 days, then of course you can. In fact, you can leave it after and use it whenever you need it ;)