iTunes Duplicate Song Manager is described as 'with Folder Watch removes iTunes duplicates in Windows and Mac OS X. iTunesDSM can also watch a folder and automatically add new files to iTunes safely' and is a Duplicate File Finder in the File Management category. There are six alternatives to iTunes Duplicate Song Manager for Mac and Windows. The best alternative is Tune Sweeper. Other great apps like iTunes Duplicate Song Manager are Dupe Eliminator for iTunes (Paid), Dupin Lite (Paid), Leawo Tunes Cleaner (Paid) and Song Sergeant (Paid).
Tune Sweeper 4 is an easy to use utility which lets you quickly and easily clean up your iTunes Library. Tune Sweeper can scan your iTunes library for duplicate tracks based on your preferred search criteria.
Dupe Eliminator for iTunes is an intuitive tool to Clean iTunes from unwanted duplicates and missing tracks. Easy to use yet full-featured Windows Maintenance and Cleaning solution to clean iTunes. Reclaim space for your iTunes Music Library!
Leawo Tunes Cleaner is a powerful iTunes cleanup tool, which can help you to delete duplicates in iTunes and get album artwork for iTunes music files.With it, you can clean up iTunes music library fast and comprehensively.
iTunes has a “Show Duplicates” command, but it is of limited use. It offers no way to remove duplicates while keeping one version of a song. It can’t identify which songs are duplicates as opposed to different recordings of the same song.