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.
Yes it is possible, you can limit the form submissions from form builder. Just click on the preferences icon, in form builder. And then from the new popup window, change the status to "Disable on submission limit". And you will get a new text box to limit the submissions.
Also please check the below guide, which explains, how to limit submissions in a form:
If you have any query, or need further assistance, feel free to revert back.