BookFlip works on your iPhone, android, or tablet to scan 10 and 13 digit ISBN codes and pull recent sales data from e-commerce sites. helping users quickly identify whether a book is worth reselling. users can also input ISBN Codes manually.

put simply, use this app to scan a book and see if it’s worth your time to try and resell. when you scan a book, you’ll automatically see the most recent sold listing on eBay and other large e-commerce platforms.