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.
Yes, you can create a limit related to, how many submissions can your form get. When this limit is reached, the form will be disabled from accepting new submissions and warn the user with a message. Here is a screen capture about where you can set your form's limits and edit your warning message:
You can also check out this user guide for more details: How to limit submissions in a form
If you need further assistance, please do let us know.