Highlight - Book Diary Club is an Android application developed by GD Studio Inc. The app is free to use and falls under the Education & Reference category. The program is a simple mobile highlighter and a book readers' community. It allows users to take photos or capture screenshots of books, ebooks, articles, PDFs or web pages, highlight them and never lose their important readings. Users can add sources and tags to organize their readings in their own way.

Highlight - Book Diary Club is best suited for college students, high school students, teachers, professors, writers, journalists, bloggers, and readers for their study and writing references. It can be used as a flash card, wrong answer sheet, inspirational quotes, and source collections for papers. Overall, Highlight - Book Diary Club is a must-have application for all book readers.