Booko is a price-comparison website developed and maintained by Booko Pty Ltd, helping shoppers find competitive prices on books and DVDs since 2007. It brings together listings from multiple retailers so users can compare offers before following a link to make a purchase. The catalogue covers a broad range of formats and interests, including print books, eBooks, audiobooks, videos and music, as well as LEGO, Pop Vinyls, tabletop games and toys.

Booko highlights popular, recommended and pre-order items, with retailer prices displayed for comparison. The service is user-supported and may earn an affiliate commission when shoppers buy through its links. Users can create an account to access features such as lists, reading activity, history and following, and can consult shopping-safety guidance, FAQs and a user guide.

Booko also offers a newsletter, a blog and technology blog, and the Booko Buddy iPhone app. The company provides site-status and support information, alongside privacy and terms details