Renders the current section (the whole track if there is no A/B) with speed, key and part focus applied to an M4A or WAV file and passes it to the share sheet.
Album art is added only to M4A.
Recording
Records 44.1 kHz mono 16-bit WAV.
It needs microphone permission and shows the time and level.
The recording list lets you preview, load, delete and clean up missing files on both iOS and Android.
Sharing a recording is Pro.
Restoring the last state
When you reopen the app, the last audio file, speed, key, playback position and A/B section come back.
Bookmarks
Save the audio name, speed, key and A/B section as a bookmark and load it later.
Exporting all bookmarks to a JSON file and importing it on another device, as backup and restore, is Pro; on import you choose merge or replace.
Audio files are not included in the backup, so on another device you may need to open the audio again.