I've always been a bit suspicious of clean apps for mac, maybe because there was a notorious scammy one that pushed doddgy adverts everywhere. There's now a pr

I've always been a bit suspicious of clean apps for mac, maybe because there was a notorious scammy one that pushed doddgy adverts everywhere. There's now a pretty good mac clean up tool built in to macos. From the apple menu: About This Mac -> Storage -> Manage... It breaks down the file system in various ways, one of which is developer files where you can clean build folders and caches, uninstall SDKs and a few other things