You can google or search in App Store. Mp4 to mp3 is a very easy task.
Recommended: Cisdem Video Converter, Wondershare Video Converter, Smart Converter Pro etc.
If you need m4a format, you can use QuickTime to export audio only.
You can google or search in App Store. Mp4 to mp3 is a very easy task.
Recommended: Cisdem Video Converter, Wondershare Video Converter, Smart Converter Pro etc.
If you need m4a format, you can use QuickTime to export audio only.
A quick search of the App Store on your iPhone will get several mp4 to mp3 converters, some free.
MP4 to mp3