Sometimes i found a fps counter in the upper right corner when i run a build. I know there is a Stats function in the editor, but it disapper in the build.
I know this question is a bit old, but I was looking for a good fps counter myself, and I wanted to share which one I ended up picking.
There are some good assets out there, but probably the best with a really nice set of features and a low price is Graphy. Here’s the link if you wanto to check it out: Unity Asset Store - The Best Assets for Game Making
And this is how it looks:
This FPS counter isn’t good. In my game, it turned out to be the largest consumer of resources at one point, which is ironic if you think about it
OnGUI is slow