When comparing ReadKit vs Wallabag, the Slant community recommends Wallabag for most people. In the question“What are the best ways to organize bookmarks?” Wallabag is ranked 13th while ReadKit is ranked 19th.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Read "Instapaper", "Pocket" and "Readability"
Read It Later for OS X that combines Instapaper, Pocket and Readability into one app, which is convenient for those that use multiple services.
Pro Concurrency
Multiple threads allows to load / update content very quickly
Pro Optional server self hosting
Pro Open source
Pro Firefox and Chrome extensions available
Pro Tagging
Pro Offline article support
Pro Import content from other apps
It's possible to import content from other apps, i.e Pocket
Pro RSS reader compatible
Miniflux, Vienna, FreshRSS, Tiny Tiny RSS, Leed FeedReader, Fiery Feeds.
Pro epub/kobo integration
Integration within Kobo reader through simple hack allows epub creation of saved articles.
Cons
Con Poor UI
UI is not as good as other apps in this category.
Con Paragraphs missing
Paragraphs within downloaded articles are missing.
Con Difficult to configure
Con Poor Text to Speech
Text to Speech frequently breaks and doesn't respond to speed change.