Audo is a straightforward and efficient audiobook player designed for iPhone users. It allows you to play various audio file formats offline, including m4a, mp3, and m4b, with the convenience of background listening. Audo excels in remembering playback positions and speeds, ensuring a seamless listening experience regardless of the file type.

With Audo, you can easily transfer audio files from your computer via Airdrop or copy them from other apps like Safari using the share sheet, eliminating the need for iTunes syncing. The app offers customizable bookmarks for quick access and chapter navigation for m4b files, enhancing your audiobook management experience.