Today, I've made some serious comparative tests to find out whether the claim of several MR forum members true. Many have stated the latest beta, beta 2 of iOS 7.1 have fixed the memory / Safari crashing problems. An example of these claims is at
https://forums.macrumors.com/posts/18510004/ : there, forum member MikhailT stated "
There are still some sites that crashes Safari but the good news is that the apps using WebView are no longer randomly crashing as they were before in iOS 7.0.x." Exactly this is what I'm going to scrutinize here (after all, my tester app does use UIWebView) - and prove it's, unfortunately, not exactly right.
More info:
https://forums.macrumors.com/posts/18519697/