Some of the new features are:
• New user interface, Yosemite-style.
• Search engine completely rewritten using the latest OS X technologies.
• Finally 64-bit compliant.
• New view by duplicate group.
• New Quick "Autocheck" feature.
• New Smart Search methods.
• New rewritten user manual.
... and many more!

The advanced method, the most customized method offered, allows you to search for duplicate files and packages; by the owner application, content, type, creator, extension, time modified, time created, name, label, visibility and date/age.

You can also search by the tag, duration and bit installments of MP3 and AAC sound files and EXIF metadata*, search the contents of the iPhoto, Aperture, iTunes, databases and Mail mailboxes, and synchronize deletions with iPhoto, Mail and iTunes.

Tidy Up allows you to search for duplicate folders; by name, date modified, date created, label visibility, empty folders, their contents and more.

Tidy Up has a security system that assures you will keep at least one file of the duplicate group on your disk, the ability to undo copied and moved items and the ability to restore trashed items as long as the trash is not emptied, even after a restart of the computer.

System requirements:  OS X 10.8 or later

HomePage - http://www.hyperbolicsoftware.com