I've just bought an Amazon Fire TV Stick 4K Max (Fire TV Home Version 6341067.1) running Fire OS 188.8.131.52 (PS7255/2444) and no matter which Audible version I install, it crashes every time I open it. Here's the Audible.log.
Of course, before uninstalling Audible, I'm deleting data and cache. Also, when I look for Audible in the Amazon Appstore, there's no result and it says by voice, "You're already an Audible member".
Is there a working version of Audible for Amazon Fire TV Stick 4K Max? Anyway, I just would like to be able to use Audible as I do with my phone.