FeedDemon does exactly what you mention. I've used it for a long time and tried ...

ScottWhigham on March 15, 2013 | parent | context | favorite | on: Show HN: My all-nighter project to find the best G...

FeedDemon does exactly what you mention. I've used it for a long time and tried many alternatives. FD just does what you ask it to and nothing more. It's a shame that, when Google Reader shut down, Nick decided to kill it.