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, based on your description, this is easily achievable with our forms.
You can create recurring payment options through PayPal by following this guide:
You can also make the amount that your users will be paying variable, by enabling the Variable Price option. With this option, your users can enter their own desired amount they wish to donate on a recurring basis.
Please try it out, and let us know should you need any further clarifications or assistance.