Books Adventure

Books Adventure is a powerful book management app that gives you access to your entire library. Using it is fun, easy, and allows you to quickly find any book in your library, as well as share your favorite books and keep track of borrowed and lent books. 
• Search books online by keywords, enter your book by ISBN or add manually.
• Sync your library across multiple devices using the export/import files feature 
• Share your books or library
• Create reading lists (group your books by reading lists)
• Add book to Read Next list
• Track the reading status of your book
and much more...

It requires a subscription to use the application.

Subscription and Pricing:
If you choose to purchase, payment will be applied to your iTunes account at confirmation of purchase. Subscriptions will automatically renew unless cancelled within 24-hours before the end of current period. You can cancel any time with your iTunes account settings. Any unused portion of a free trial will be forfeited if you purchase a subscription.

The current subscription start at $1.99 USD/month.

Subscription can be deactivated at the following link: https://support.apple.com/en-us/HT202039
Privacy Policy: https://parakeetsoftware.com/Books_Adventure_Privacy_Policy.html
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/