[5] The service is free for readers[6] and includes a website and personalized email newsletters.

[1] For publishers and authors, BookBub provides marketing tools that are intended to help them reach readers and sell more books.

[10] In May 2015, BookBub raised $7 million in new equity and debt financing[11] from its existing investors.

[12] In 2019, BookBub had 120 employees, tens of millions of subscribers, and launched an audiobook division called Chirp.

[9] Authors and publishers use BookBub to gain exposure with the intention to increase future sales.