Set - 本コミックラノベの管理や読書の記録 is a free iPhone app that allows users to easily manage and keep track of their comic books and light novels. With the ability to quickly scan barcodes or perform keyword searches, users can effortlessly register their books and have them automatically organized into sets or series.

The app offers a range of features, including the ability to check if a book is in your collection by scanning its barcode while in a bookstore. It also allows users to manage the location and lending of their books through barcode scanning. The app provides a convenient way to keep track of your book collection, making it easy to discuss and share recommendations with friends.

Additionally, the app offers various sorting and search options, as well as the ability to add custom tags to books. It also provides data file backup to iCloud Drive for added peace of mind.

Overall, Set - 本コミックラノベの管理や読書の記録 is a comprehensive and user-friendly app for managing and organizing comic books and light novels. It is a must-have for avid readers and collectors.

Please note that the app is only available in Japanese.