It still uses Javascript. Native OpenGL+ObjC/C (done correct) will always be faster. All it really is, is better performance then UIWebView as it doesn't have all the webcore/kit stuff.

ALl I'm getting at is saying "native performance" is not correct. In a world where even 2-3 FPS can mean a usable game or a not usable game. I think the terminology matters a lot.

But you should still recommend people to using those solutions, just don't pass them off as something they are not.