SayAgain is an audio bookmarking tool that’s a must-have for any audiobook listener.

Read It Later is a bookmarking alternative intended for articles that you just want to flag for later reading. This app, however, also stores pages for offline reading, and it’s quite the useful utility!

WordDigest is a dictionary app with a huge database and a number of useful features, including bookmarking, browsing history, a thesaurus, and more. If you’re looking for a solid dictionary, this is one to consider.