Great communication with regular updates as to the time couriers will arrive. Better than Web Buy Books in that Ziffit accept far more general / popular books and pay higher rates per book. App is simple to use and picks up the bar code very quickly even in low light levels meaning you can zap through a job lot of books in the garage or loft really fast. To improve even further it would be good if they had a facility to accept non-barcode books - We Buy Books have this as a list of ones they will accept by publisher. Speed of payment is as good as it could be really, from zapping to collection to acceptance to money by bank transfer to your account you're looking at 10 working days.