How does it compare to NextDNS?

If you have used YouTube ReVanced on Android, I think you can figure out how to use https://github.com/Balackburn/YTLitePlus using SideStore

You can use NextDNS to block ads at DNS level

Is this a native Swift app?

Can you fix the font size in comments? It looks way too big when compared to system font size of Apollo.

Both are equally degenerate

What if I want to browse the Firefox subreddit in one place, where all its content is gathered in a single location?

It doesn’t help that Firefox will still be at different places with different contents. They should do something about user experience. It’s very confusing for non tech savvy people.