Hax is a free Hacker News client that aims to provide a native browsing experience that improves upon the website while keeping a similar minimalistic appearance. Browse any Hacker News feed, scroll through stories and watch the discussion unfold in the comments. Other features include widgets, filters, a Safari extension, and more. The app is built from the ground up using SwiftUI, so its got features out of the box such as Dark Mode and Dynamic Type as well.
The project is open-source, so you can check it out on GitHub: https://github.com/lui5fl/hax