A free program for Android, by SingularityLab.
The Song Splitter application is an audio extractor that can split a song or a set of songs into separate tracks, with each resulting track saved as an audio file in MP3 format.
This application is powered by artificial intelligence, which makes it suitable for offline use. By default, the app will look for audio files on your device in MP3 format, but you can manually add a file from a custom location using the "Open file" command in the app's menu.
This is the best app that you can use if you want to split audio. This way, it automatically saves the files in MP3 format for later use. You can add audio to your stories, mini videos, and a lot more.