The catch is that you're signing up for a recurring subscription, and Audible plays the hard sell when you try to cancel your subscription.
(If you're determined though, this can be great for you. I think I've gotten a total of 5 or 6 audiobooks for free from Audible thanks to their free first month and "please don't leave" unsubscribe flow and "please come back" emails.)
The catch is that you're signing up for a recurring subscription, and Audible plays the hard sell when you try to cancel your subscription.
(If you're determined though, this can be great for you. I think I've gotten a total of 5 or 6 audiobooks for free from Audible thanks to their free first month and "please don't leave" unsubscribe flow and "please come back" emails.)