Here’s one I’m developing for iOS if you want push notifications or summaries of linked articles
Why would it need one? Genuinely interested in the need, not being facetious.
https://apps.apple.com/us/app/hack-for-hacker-news-reader/id...
Also
HacKit
HN Dark Mode
Comments Owl for Hacker News
HNews Reader
YCReader
Octal
Probably a dozen more.
We have, actually! It’s called “web browser” and there is a high chance you already have it on your device.
What would this app do?
I like octal
I mean a mobile app for Android and Apple
Many https://github.com/cheeaun/awesome-hacker-news