Books (10000 programs)

Pros: Easy-to-read application. Text-to-speech support.

Cons: Doesn’t support all file types. Not available for iOS.

Pros: Summarized books in digestible 15-minute formats. Wide variety of non-fiction titles to choose from. Optional audio versions. Vocabulary feaures.

Cons: No free version for the service. A bug can occasionally reset your reading streak.