Feeddler is a fast and highly customizable RSS Reader that presents RSS stories in an easy-to-ready interface. Feeddler is a universal app that supports iPhones, iPod touches, and iPads. The free version is ad-supported. Features:

Syncs with Google Reader Syncs with BazQux Reader Syncs with FeedHQ Syncs with The Old Reader Display true unread counts over 1000. Supports multiple accounts. Supports feed management - add/delete/rename subscriptions and folders. Supports unread item filtering. Supports sorting by newest first, or oldest first. Caches RSS articles for offline reading Able to star/unstar, like/unlike, share/unshare, mark unread any RSS story, even when offline (will sync when launching app with internet connection). Able to mark all items as read for any RSS subscription. Able to mark only loaded items as read. Able to show only feeds/folders with unread items. Supports article tagging Supports notes and comments. Supports pinching to change font size of RSS articles. (iPad or iOS4) Saves images by tapping images with two fingers. (iPad or iOS4) Supports Facebook sharing. Supports in-app e-mail sharing. Supports text view using Instapaper Mobilizer Copy&Paste titles, links, or full articles. Uses built-in, full-screen browser for full articles and web pages. Able to open full articles in Safari. Supports swiping gestures to navigate RSS stories. (iPad or iOS4) Supports fast app switch with iOS4 multitasking. (iOS4 only) Lots of UI customization options including summary preview and a night mode.