Basically, there’s no big differences. It’s like using Mail instead of a webmail. You don’t need a browser, it’s a native app, so for example you can have the number of unread feeds in the app icon. The interface is more “Mac-Like” and will work with dark mode later for example. You can leave your feeds in fullscreen so you can just swap between spaces like others app.
Just like the iOS app, a click on a headlines show excerpt locally (from TTRSS). You can click “Source” to access to the article. In full screen, I think it more useful to stay in the app rather than opening the default browser and switching back to the reader. But I suppose this could be a setting.
Well, the screenshot shows a test account with many posts. As far as I’m concerned, most of the time I read news from my iPhone ou my iPad 3 or 4 times a day, so the number of posts less important. The number in the ion app could be also an option. Again, when using the app own fullscreen, you can only switch to to the reader when there are enough post to read.
I’m writing this app for myself (as the iOS counterpart), and I’ll release it for free to the community, so perhaps the way of using the app will be mostly the way I want to use it
I don’t mean headlines, I mean links in the body of the post. You made the comparison with Mail.app; when I click a link in an email I receive, Mail.app doesn’t load the page, it hands the url off to the application set as the handler for that protocol. A desktop feed reader should do the same, otherwise it’s basically a browser in a container.