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.
Yes it is possible to display custom thank you message after the form is submitted. Please check the screenshot below:
It is also possible to redirect users to you own page after the form is submitted. You should actually set the "Custom URL" (Thank you) of your form. The following guide should help you: https://www.jotform.com/help/38-Redirecting-Users-to-a-Different-Page
You may also like to take a look at the following guide as well: https://www.jotform.com/help/211-Setting-Up-the-Thank-You-Page
Hope this helps.
Do get back to us if you have any questions.