I'm not up to standard with the iPad, even though there's three in this household, so forgive my ignorance Woolwell.
It appears that Opera Coast Browser is not a true browser but an app. Firefox and Apple also appear to be at loggerheads on similar issues, though, nothing I can find seems to prove this difference. Two links I can supply that might make sense of it to you.
Firefox web engine true browser?
On Android Firefox is as much of a browser as that horrible Chrome, but at least Google allows choice.
Let me know what you think of an App browser compared to a proper browser with its own engine.