No new version for more than 90 days, so OpenNavo has paused recommending and installing it. Homebrew still offers this app.

OndeSoft Audible Audiobook Converter

A macOS app for converting Audible AA/AAX audiobooks to audio formats such as MP3 and M4A.

CaskAudio & VideoApple silicon · IntelPaused by OpenNavo

From homebrew/cask

Tap: homebrew/cask
Also known as: OndeSoft Audible Audiobook Converter · ondesoft-audiobook-converter
Download URL: www.ondesoft.com/download/odaudiobookconverter_mac.dmg
Homebrew definition: github.com/homebrew/homebrew-cask/blob/HEAD/Casks/o/ondesoft-audiobook-converter.rb
formulae.brew.sh: formulae.brew.sh/cask/ondesoft-audiobook-converter

Installation and removal contents

Install app

Source file: Ondesoft AudioBook Converter.app

Declared destination: /Applications/Ondesoft AudioBook Converter.app

View full declaration

{
  "app": [
    "Ondesoft AudioBook Converter.app"
  ],
  "target": "/Applications/Ondesoft AudioBook Converter.app"
}