Android
-
Device has 'Move to SD card' permission: downloaded songs are first stored on SD card and then in internal phone memory
-
Device does not have 'Move to SD card' permission: downloaded songs are first stored in internal phone memory and then on SD card
To check if your device has 'Move to SD card' permission, go to 'App Info'. If you see 'Move to SD card' button, your device has the permission.
iOS
- Downloaded songs are always stored in internal phone memory