I never tried it, it is sold as a Nostr browser? What would you be looking for from that type of thing to make you change your mind? I actually have Chrome as my Nostr browser, as Primal is buggy in Brave. Plus, I have Firefox, mainly for the Facebook container function. 

 Its more of a collection of most nostr web apps all bundled together in a single app. Cool concept. Even jas a plugin for your secret key.

Most of the apps have not value to me