- Book Breeze - Reading Tracker
- Book Capital
- Book Club by BookMovement
- Book Collect -reading record-
- Book Companion
- Book Concierge
- Convertidor de Lectura
- Book Corner
- Creador de portadas de libros
- Book Crawler
- Book Creator for iPad
- Book Creator One
- Book Deals for Kindle, Book Deals for Kindle Fire
- Libro de Enoc (Multi Language)
- Book Fair Buddy
- Book Guesser
- Book League
- Book Level Checker
- Book Lover
- Book Lovers App
- Book Mower Audiobook Player
- Book Note - Book Review Note
- Book Notes - Summaries of Classic Literature Read Study Guides with Spritz Spark Cliffs
- Book of Dreams
- Book of Enoch and Audio Bible
- Book of Enoch Audio
- Book of Enoch, Jasher,Jubilees
- Book of Hymns for Public Devo
- Book Of Life
- Book of Mormon 365
- Libro de Mormón Partido LIBRE Juego 3
- Book of Mormon Reader
- Book of Mormon.
- Book of Psalms Orthodox
- Book On
- Organizador de Libros (Full)
- Organizador de Libros
- Cougar Books
- Reading Time - Book Tracker
- Book Scanner
- Book Seriesor - DoCu^2
- Book Speaker
- Book Swap-iT
- Book Tracker: Reading planner
- BOOK WALKER – Manga & Novels
- BOOK WALKER電子書
- Book Writer
- Book-Binder
- Book2App
- Book4u
- Booka - Bedtime Stories
- Booka - Libros Infantiles
- Booka - Minimal Booklist
- BookaBooka
- Bookari Ebook Reader
- Bookari Ebook Reader Premium
- BookBaby Publishing
- BookBag(Schools)
- BookBeat Audiolibros y ebooks
- BookBites
- Bookbot Phonics Books for Kids
- BookBub
- BookBuddy Pro: Mi biblioteca
- BookBuddy: Mi biblioteca
- Bookcamp
- Bookcase!
- Bookcaze
- بوك تشينو Bookccino
- BookCE不可思议
- Bookchoice
- Luwi
- BookClub: Audio Book Summaries