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.
With any of our plans you can create unlimited forms, which can be embed into your sites. But with the free plan you can only have 100 submissions/month on your account and with Premium plan you can have 1000. You can see more details here.
Regarding your other question, you can browse our template gallery and search for different payment forms:
Kindly let us know if you need more assistance.