Over the last few months I've been using a RSS reader to compartmentalize my reading. Brent Simmon's NetNewsWire returned to his control several years ago, and I'm using it on both Mac and iOS.
Last night I flipped over to the preferences in the iOS version:
I would love if more iOS applications adopted this. Preferences being scattered around is one of the most frustrating parts of iOS, and while it shouldn't be up to application developers to fix this problem, this solution is elegant. I hope Apple notices.