Unlimited: Book Summaries is an Android app developed by AJ Educators that offers access to thousands of books. The app allows users to save their favorite books, read offline, and access blog articles. It also includes quotations and daily updates. The app is free and falls under the Education & Reference category, specifically Books.

One of the app's main features is the ability to access different ideas and viewpoints. Users can find inspiration, develop new skills, and stay up to date with the latest trends in motivational, entrepreneurship, leadership, relationships, self-help, and spirituality. The app also provides daily mind exercises while reading different author thoughts and helps users meditate.

The app offers a unique reading experience with custom reading backgrounds, day and night modes, and the ability to customize text size and color. It also includes different app themes options and a last read option. Users can add bookmarks for every book they read.