The 1 Book is an electronic bookstore system that aims to provide a seamless experience for book lovers. Users can earn The 1 Card points with every purchase and redeem them for free e-books. The app allows login with both The 1 Card and Meb accounts. Once purchased, books can be read on a variety of devices including iOS, Android, Windows, and Mac. The books can be read even without an internet connection once downloaded. The app also allows users to delete books to save space and download them again later.

The 1 Book has a vast collection of free and paid books, including samples for users to try before buying. The app's reader is designed to enhance the reading experience, supporting multimedia files and customizable fonts and colors. The app has a night mode for easy-on-the-eyes reading and supports easy page-turning with swipe or tap gestures. The app automatically syncs the last read page across devices and allows users to create a wishlist to follow their favorite authors and categories. Users can rate and review books and share them on Facebook.