No way to remove feeds, not even the default ones
Also has a different name when installed which makes it hard to find on the app store. Also doesn’t seem to have ever been updated.
Not enough ratings yet to assess RSSum.
RSSum appears legitimate, with a few gaps. AppsHunter Legitimacy Score for RSSum is 63/100.
Based on 63 of 100 points across 7 verification signals from App Store and developer data.