I have Netflix, Amazon, and Disney+, but I only have Amazon because I have Prime (aside from the odd show like The Boys, it's a garbage app with garbage content. Kind of wish I could just switch off everything but the original shows. Might kill my Prime sub altogether, tbh), and I leech off a friend's Disney+ for The Mandalorian and nothing else. The only one I would/do pay for because I find it's (more than) worth the subscription fee is Netflix. Plenty of content, easy to browse, a steady influx of new movies and shows; and I love their original content.
I subscribe to Shudder for a month every now and then, but their library is too small and new content too rare to warrant a recurring sub.
Give me the DC app in Canada, and I'd subscribe in a heartbeat, because I'm all about the Berlanti and Titanverses. But until then, I feel like I just have Netflix, even if I technically have the other two as well.