How do I clean my MacBook Pro of these apps? Do I need an app cleaner on Mac?Īrticle Guide Part 1. One thing that might be causing this is the fact that I have too many apps inside it. It’s super slow and I can’t get to work much with it. But with the MacBook Pro, I’m seriously frustrated about its slow performance. I don’t experience many problems with the first two devices I own. I have an iPod, iPhone, and a MacBook Pro.