It depends on what you shoot, if it's a lot of low light stuff, or portraits then FF is definitely a better option, and the added lens selection is a huge bonus as well. But crop is just fine for almost everything else, and newer crop bodies actually have really good ISO performance. Also theres the portability of crop cameras, if you're doing a lot of social media, travelling etc then the size can be a huge plus. Also it's a lot cheaper, generally speaking.

I tried crop for a while before switching back to full frame, I shoot mostly wide open in low light and need shallow depth of field, but if those things aren't relevant to you then I'd definitely recommend APS-C.