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. But we advise to keep the form default formatting, such as the basic theme and the field alignments. There are themes from our form template gallery that doesn't work best with mobile devices. However, if you want to use it and make it mobile responsive, that is possible with injecting a custom mobile CSS query to the form.
Let us know if you need further assistance.
It has been for a while you have written here but I also would like to add Welvin's answer to this link, we do have widgets for almost anything you may need in your forms.
Have a great day