That is right there is no Audible Manager on Mac, but you don't have to use it, do you? Audible works perfectly on iTunes on Mac. If you want to download and manager Audible audiobooks on iTunes, you can simply logon the Audible website and then download the audible audiobooks on iTunes. If you want to transfer Audible AA/AAX elsewhere, you can also remove DRM from audible audiobooks and convert aa/aax to mp3.