How can I buy more credits? Support May 09, 2019 14:58 You can purchase additional credits in the form of 3 credit bundles from the plans page. The credits in a bundle are good for 6 months. Related articles Do my credits expire? Can I return an eStories audiobook? How do I add extra credit to my account? What does DRM free mean? Downloading a book to my Android device Comments 0 comments Please sign in to leave a comment.