Amazon
- Kindle Unlimited lets you borrow as many as 20 books at a time from a library of several million titles.
- You can subscribe to Kindle Unlimited for $11.99 per month. It's not included in Prime membership.
- Prime Reading, on the other hand, is free with Amazon Prime. Fewer titles are available there.
If you're an avid reader, feeding a book habit can be expensive. You don't have to buy every book you read outright, though.
Kindle Unlimited is an Amazon subscription service that lets you check out as many as 20 Kindle ebooks at a time and read them at your own pace, keeping them as long as you need. As you return books you're done with, you can check out new ones.