Playlists, however, are a premium feature only.
Hit the link to read more about the new features.
iOS 8, Text-to-Speech, Premium, and Profiles| Instapaper Blog
Instapaper Now Free to Download, Adds Text-To-Speech and User Profiles
iOS/Android: Bookmark-and-read-later tool Instapaper updated with quite a few new features today, like text-to-speech, user profiles, and some nifty
