Embed a browser window inside IOS app

Is it possible to embed a browser window to render an HTML page from a site? If so would it retain session data for the window?

Found this library:

Will be running a few tests and see if perhaps it will let me do some sort of iframe to do what I need.

Looks like the library simply renders html but does not have the ability to render external sources. Does anyone have an idea if this would even be possible?

Looks like this is what I need:

So it appears webview lets you launch a browser window not open an html page inside your application. Cocktail seems to allow it but can’t get it to work.