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 our form works perfectly on iphones and other mobile devices.
Is your form embedded on a website? Please share your web page URL of your website were the form is embed and we will take a look. I just checked your form in iPhone simulator and it seems to work just fine.
Since you want to use your form on mobile device you should add a "Ink File Picker" tool to allow uploading files from any mobile device. The following guide should help you: http://www.jotform.com/help/218-How-to-Take-Pictures-on-Your-Forms