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.
If you are using this method: https://www.jotform.com/help/22-Adding-Form-to-Facebook-Pages, you will have to go to the app page and make sure to login to your Jotform account. From there, you should see the settings button. Just click on it to change the form:
If you are using our custom iframe app: https://www.jotform.com/help/82-Adding-Form-to-Facebook-Custom-iFrame-App-. You will need to go to the app page and change it from there.