When comparing RedReader vs Zenkit, the Slant community recommends Zenkit for most people. In the question“What are the best Android apps?” Zenkit is ranked 4th while RedReader is ranked 16th. The most important reason people chose Zenkit is:
Easy to use and easily understandable for everyone.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Free with no ads/tracking
The app is completely free and there is no tracking through advertisement since there are none. For those that are security conscious on their devices this makes a great choice for a Reddit app.

Pro Simple navigation
Scrolling and swiping actions make for an intuitive interface that is easy to control.

Pro Open Source
RedReader is completely open source meaning the code is available for anyone to look at or use. It's a completely open environment for understanding the app if one is so inclined.

Pro Clean UI
The user interface is simple in its layout making it easy to read and use.
Pro Truly Ad-free
No ads, open-source.
Pro Powerful and simple to use tool with a clean design
Easy to use and easily understandable for everyone.
Pro Many important data views
Data views include Mind-Map, Kanban-Board, Spreadsheet, List, and Calendar. Views can be switched easily.
Pro Native apps
Native apps for iOS, Android, macOS, Windows, and Linux.
Cons
Con Minimal UI
This is a pro and a con. I love the simplicity but it is lacking some QOL features.
Con Ugly
Con Does not start gif/video with muted audio
