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.
JotForm Support Manager
I assume you are looking for a way to disable your form so nobody else can submit later on-
This can be accomplished by changing the "FORM STATUS", you can choose to disable the form on date, on a number of submission limit. Or both, so whichever limit reach first, the form will be disabled.
Here is an example.