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.
There is no new submission besides the last one you see on file, it's most likely a delay, you can mark it as read:
If you haven't setup email notifications, here is how to do it: http://www.jotform.com/help/25-Setting-Up-Email-Notifications, in that way you can tell for sure if a submission is missing in JotForm end.
Let us know if you need more help, we will be glad to assist you.