Librarius is the first Ukrainian application for reading e-books on smartphones, both online and offline. Launched on April 12th, on Cosmonautics Day, you can now rent, purchase, and read thousands of modern books, with the upcoming feature of listening to audiobooks and a subscription model. Whether you're looking for new releases, bestsellers, world classics, children's books, motivational literature, fiction, or popular non-fiction, Librarius has it all in one mobile app. Enjoy a digital library that is always at your fingertips, allowing you to read anytime, anywhere.

Features include the ability to read online and offline, instant registration and login with Facebook or Google accounts, buying and renting e-books, creating a personal wishlist, convenient search options, and the ability to share book links on social media and messengers. Librarius also offers a free preview of 10% of any e-book, ratings from the Goodreads community, and customizable reading options such as bookmarks, highlighting, font size and style, and day or night mode.

Discover a wide selection of licensed books from well-known Ukrainian publishers, as well as a large collection of public domain works that are completely free to read in the app. If you have any technical questions, feedback, or suggestions about the Librarius mobile app, you can contact the developer at