Vungle iOS SDK used to support both
UIWebView won't be supported in iOS 13+. To accommodate this change, Vungle has removed all
UIWebView from Vungle iOS SDK v6.4.5 and higher.
Apps that run in iOS 8 and higher use the
WKWebView class instead of
UIWebView. Additionally, consider setting the
UIWebView, refer to the Apple Developer forum.