Ahh, I know what you mean. As far as I know, this is standard on all sites using vBulletin software. As for the app, I couldn't say as I don't use it. I'll reach out and see if we can get a definitive answer from the tech gods.
"What, exactly, is the internet? Basically it is a global network exchanging digitized data in such a way that any computer, anywhere, that is equipped with a device called a 'modem', can make a noise like a duck choking on a kazoo." - Dave Barry