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.
There are several ways to avoid multiple submissions from the same user. Please see how:
1. Adding a captcha to your form:
2. Setting unique submissions on your form:
3. Setting form limits based on a unique question:
These features should prevent further issues related with multiple submissions. Please check them and let us know how it goes.
Do contact us again if you need any further assistance.