There already are really great apps for iOS.
If you want a native one, check out https://itunes.apple.com/us/app/news-yc/id434787119?mt=8
If you prefer a web app take a look at http://hackerwebapp.com
If you want a native one, check out https://itunes.apple.com/us/app/news-yc/id434787119?mt=8
If you prefer a web app take a look at http://hackerwebapp.com
Although it is, from what I've seen, the best client on iOS, it is still inferior to and more laborious than the web experience.