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.
Please try using the iFrame embed method instead of the JS embed.
Please let us know if this fixes the issue for you.
In case the issue persists, can you please describe what seems to crash? Is it the webpage that crashes, the whole browser, the iPhone?
Please let us know does the iFrame method fix the issue. Thank you.