It depends on how much you actually use it. But bear in mind if you go for the' Photography Plan' you get Lightroom, Lightroom Classic and Photoshop - which in all honesty is pretty good. It's a bit cheaper overall as well if you go for a full year subscription rather than monthly.
Lightroom Classic allows you to use the Nik collection.
So, is it worth it - do you get your money's worth? I think so,