Libby is the best app on my phone. It connects you with library networks (of which you're a card-carrying member) so you can borrow and read e-books on the Libby app or an e-reader, like Kindle.

Library e-book and audiobook app Libby is adding AI, much to the disappointment of some readers and librarians, who would ...

Not only was I switching between my Kindle and Boox e-reader, I was also downloading more DRM-free EPUBs, PDFs, and research papers. I wanted a single, flexible way to manage all of it.

This means you could save around $65 a year by borrowing ebooks from your library instead of buying them. And if you're a voracious reader who reads more than a book a month, you could save more.