If the above doesn't help, you may be better off asking on a dedicated creators' forum, for example the one at Sims4Studio. It's supposed to be for low-end machines, and when it's enabled, the game cuts a lot of corners with rendering. I can't see whether you have laptop mode enabled-you'd need to scroll down a bit-but if so, definitely disable it first. You could try playing with the graphics settings a bit to see if you get different results, for example using the default ultra profile (where it says Custom in your screenshot) or disabling post processing. Please also list your computer's full specs: everything under About This Mac except for the serial number. It almost certainly matters that you're playing on a Mac.Information, Guides and Announcements for the EA app.
