[Zubersoft]

MobileSheets does not store the file creation date - it stores the last modified timestamp. If you are seeing that the last modified timestamp doesn't match, that would certainly be a problem and I'll have to look into that. On older Android devices, it used to be possible to change the last modified timestamp and force it to match the database. It's no longer possible to do that on Android and it's not possible at all on Windows and iOS. There are more places in the code where it checks the last modified timestamp of PDFs and other files to look for changes and updates the database when that occurs. This is not the case with audio files, so that may be part of the problem. 

Thanks,
Mike