Frustrated trying to manage all the duplicate music tracks on your Mac?
Of course you are!
The Show Duplicates feature is helpful but you still have to examine every single track and somehow decide whether you want to keep or delete the duplicates it might find.
Now there's Dupin. Your duplicate tracks manager. For macOS 12 Monterey and later only.
| download | purchase | updating |
Download the free demo |
A registration code is $15 |
Free if registration purchased |
With Dupin you can:
- Very quickly find all sets of duplicate Music tracks based on your choice of criteria
- Select the "Keeper" tracks from among a number of duplicates automatically using a variety of versatile filtering options
- Remove duplicate tracks from Music and send files to the Trash
- Manage intentionally duplicated tracks
- Delete duplicate "dead" tracks
- Sort tracks and view track info
- Export a list of duplicates to a text file
- Locate tracks in the Finder and in the Music app
In addition, Dupin features:
- Compatibility with Sync Library/Apple Music
- Ample keyboard shortcuts
- Robust Help documentation
- Optional update checking
Dupin is easy to configure and use. Download the well-featured demo and try it out for yourself now.
System Requirements
- Dupin is a Universal app that runs natively on Intel and Apple silicon Macs running macOS 12 or later
- Music v1.0 and later
- Gatekeeper Security: Notarized by Apple
- Dupin does not work with Microsoft Windows
Updated in Dupin v4.0.0:
- UI changes that conform to modernity
- Removal of older routines that accommodated large libraries and slower Macs of the time
- April 30, 2026
Purchase and Register Dupin
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New Users... The un-registered demo version of Dupin will display up to 20 sets of duplicate tracks per session and permit a single "Purge" operation per launch. Most other features are unencumbered. A registration code for Dupin is $15.00. After your payment is received you will be emailed a registration code and instructions which will enable Dupin to display all the duplicates it finds. You'll also enable me to continue working on Dupin and make it work better for you! |
Updating... This version of Dupin is a free update if your current Dupin registration was purchased on or after May 1, 2021. Download Older Version Dupin version 3.2.0 (Universal) is available from this direct download link. Dupin v3.2.0 is for pre-macOS 26 and works just as well as it ever did. You can buy a Registration Code via in-app purchase after downloading it and launching. Download Older Version for iTunes Dupin version 2.14.1 for iTunes is available from this direct download link. Dupin v2.14.1 is for macOS 10.10 - 10.14 only. |
Check your Junk folder: There is a possibility that unsolicited email messages from me—such as the one containing your registration code—will be re-routed to your spam or junk mailbox. As soon as you receive the PayPal confirmation, check these mailboxes for the email containing your registration code. Otherwise, if you don't receive your code, let me know; it may take me a day or two to manually send you a code.
If you have any problems, ideas or suggestions, please email me.
My name is Doug Adams,
support at dougscripts dot com.
Currently, I can only accept payments electronically via PayPal. For other payment options, please email me at support at dougscripts dot com.
This application uses reasonable precautions to protect your data, but that is no guarantee against unforseen situations on your computer. I make no guarantees to this application's effectiveness on your computer and cannot take any responsibility if something goes wrong while using this application. If this makes you aprehensive then please be certain to backup your iTunes audio and video files before using.
