How can i hide address bar completely in Safari on iOS?

I want to use my form as a lead kiosk at an event, and have made my form and added it to my iOS home screen as a web-app. This usually removes the address bar, but not with Jotform. A little google search tells me this can be fixed by adding this tag to the pages header:

<meta name="apple-mobile-web-app-capable" content="yes" />

Problem is I can't find anywhere to add it. Is there a way you guys could add this to the source code so web apps automatically remove the address bar on iOS? Or is there a way for me to manually add this code to the pages header?

It is not possible to add customized scripts to the form. You can only achieve this by embedding your form to your webpage using full source code. Then you will be able to add custom scripts. 

Also if you embed your form to your website, address of your webpage will be shown inside of address bar. 

If is also possible to create custom URL of a form and it is possible to use custom domains.

How to Create a Custom URL of a Form?

How to use Custom Domains with Jotform

Hope this will help. Let us know if you need further assistance.