It has extensions support on mobile. I can’t live without uBlock Origin. I installed Firefox on PC because of synching between Firefox on PC and Firerox and Android. I now stopped using this feature, but I kept using Firefox. I only use Chrome when pages don’t open correctly on Firefox.
I would pay, if they would offer family pack in our country, but they don’t. Netflix is cheaper for me, I have Premium plan for 10€, and I am splitting the bill with my sister, so I only pay 5€ per month. I am not paying more than that for a YouTube.