Sorry, the Firefox browser is not available for iOS (iPad, iPhone, or iPod Touch).
Firefox Home is an app that will sync your tabs, bookmarks, and browsing history from Firefox to your iOS device. You can download it free from the App Store. But Firefox Home uses the Safari browser to open web pages, so it will not help you load pages that don't work in Safari.
Will Skyfire allow popups? I work at a school and need to have the network popup allowed in order to use the internet at work. we are considering these for staff, but I have not conquered the internet thing yet.