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.
You can indeed limit the number of submissions to a form. The option to do so is under the "Preferences" tab, under "Form Limits:
This will disable submissions once your form has reached a certain amount.
If you have any further questions, let us know and we will be happy to help.