Every single detail in the interface is smooth, polished, and animated. Nothing just suddenly appears on the screen. And it's not just the beauty and the futuristic interface design
The results can be broken down by individual files, file types, or ages, and presented in either doughnut or bar chart (and, of course, these animate as well while the scan is ongoing). Unneeded files or folders can be dragged and dropped onto the special bin button to be queued up for deletion later.
Disk Falcon even comes with a sci-fi inspired vocal responses to your actions within the program (which can be turned off if desired).