Feedly, Flipboard, Inoreader, Reeder , NetNewsWire, QuiteRSS, Tiny Tiny RSS, Fluent Reader, The Old Reader, NewsBlur, Feedbro, Feeder RSS feed reader, RSSMore, FeedRoller, PODFY, Public RSS Reader, SE-RssTools, SubReader, Reedah, manyjars are some alternatives to Sismics Reader.