I have not seen mention of this elsewhere, but the MacOS Rumors page (a new page unaffiliated with the previous Rumors page run by Ethan Allen) reports that a supposed Ram Doubler 3.0 beta has been sighted. However, it is a hoax and may even be a virus of some sort. Avoid it if you see it.
iPhone running slow?
Here are some quick fixes for some of the most common problem in iOS 7.