"OnlyOne X" quickly scans the disk to find all the duplicate files on the Mac. Then you can selectively delete unnecessary duplicates and free up a lot of disk space.
Its advantages
▪ Scan the Mac deeply and find duplicate files
▪ Clear selected items with one click
▪ Support file preview
▪ Support sorting
▪ Smart check for duplicate items
What is “smart check”?
▪ Keep the newest item
▪ Keep the oldest item
You can use “OnlyOne X” to clean up duplicate files for free. If you need to use the “Smart Check” features (In-app purchase), you need to upgrade to the professional version.