Free. According to the query of information related to the vertical and horizontal app shows that the vertical and horizontal app listening to books free. SPONGE novel is a free novel reader officially launched by Baidu's SPONGE Chinese website. Relying on the official website's excellent brand content resources and strong database support, not only includes the latest and hottest original novels from the country's major popular literary novels website resources as well as many of the country's well-known publishers, book companies published best-selling popular e-books, but also more perfectly adapted to the characteristics of the mobile device display, the overall interface, fonts, color display more comfortable and clear, so that mobile reading completely have not lost to the PC! The mobile reader can enjoy the enjoyment of reading on a large screen, and satisfy the reading needs of different users in an all-round way.