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.
You can indeed set the quantities allowed per submission for each product. While adding in your product, click on "Add New Option":
Then click next to adjust the quantities the user can choose:
Limit the selections to 1-5 and you're all set.
If you have any further questions, let us know and we will be happy to help.