I'll upvote this because you put in work and deserve a fair shot. Personally, I feel
http://news.ycombinator.com is already the best mobile app. A mobile web browser was designed to browse webpages, which is what HN is. Unless a mobile app can implement all of HN's functionality, then there's no reason to make one. I like being able to see who submitted stories and comments, being able to click on their profiles, being able to get to "show" "ask" "new" etc...
Tangentially, and somewhat irrelevantly, requiring iOS 7.1 or above is a bit limiting, because there are people who can't upgrade because they're using an old phone, and upgrading will ruin their phone's performance. Is there any reason that iOS 7 is being required by more and more apps?