Frame rate counter Count It helps you measure your Mac’s performance

Want to find out if your Mac can handle your game or at least make the most out of the game you have? Count It is a free frame rate counter to help you see what’s dragging the performance of your Mac down and what you can do to boost it. It can work with just about any game installed on your Mac (except for emulated games) and the app collects your stats over time and shows these in a graph. It’ll help you keep an eye out for background applications and other system tweaks that affect your game. And yes, as mentioned, it can also help you determine if your Mac can handle the game you’re playing. To download the app, you just need to sign up via email but after that it’s yours to use.

Source: Lifehacker