ReadKit is a full-featured read later and RSS client that supports all major provider and it has a built in RSS engine too.
SUPPORTED NEWS READER SERVICES:
• BazQux
• Feedbin
• Feedly
• Feed Wrangler
• Fever
• FreshRSS
• Inoreader
• Miniflux
• NewsBlur
• The Old Reader
• Tiny Tiny RSS
• Built-in RSS
SUPPORTED READ LATER AND BOOKMARKING SERVICES:
• Instapaper
• Pocket
• Wallabag
•…