Apps similar to Dupe Eliminator for iTunes include Tune Sweeper. It's paid, but iTunes Duplicate Song Manager is free. Other options are Leawo Tunes Cleaner, Dupin Lite, Idupe and Song Sergeant. In total there are six Duplicate File Finders like Dupe Eliminator for iTunes for Mac and Windows.
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.
United Kingdom
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.
China
Dupin Lite is your iTunes duplicates manager.
Dupin Lite handles your duplicate tracks in 3 simple steps:
iTunes Duplicate Song Manager 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.
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.
Song Sergeant intelligently identifies and removes duplicates, renames inconsistently named artists and albums, reunites orphaned song files to your library, and deals with missing song files.
Canada
