You can play MP3 files on an iPhone using four methods: the Files app for direct playback, Apple Music to sync files from a Mac, third-party apps like VLC for more features, and cloud storage services ...
To turn a video into an audio file on your iPhone, you'll need to download a third-party app from the App Store. Most apps that allow you to convert video into audio are free, albeit supported by ads.
If you’re a command line aficionado and you want to play an audio file, there’s no need to leave the Terminal. There are Terminal commands you can use to not just play audio, but to convert files as ...