Your Mac’s hard drive, like your mind, is a terrible thing to waste—especially if you pilot a MacBook Air with a relatively slim amount of storage.

Disk Art shows you what’s taking up space on your hard disk, or in your Home folder. Files and folders are displayed as colored, relatively sized boxes. You click the boxes to drill further down, or click the file path along the bottom of the window to go back. As you find things to delete, just drag them to the Collected Objects pane, then click Delete All to, well, delete them all. They don’t go to the Trash, though—they’re gone forever, no undo.

And that isn’t the only problem. While the app is nice and speedy, it doesn’t give you any information about the files and folders except their sizes. It won’t tell you when a file was last used or modified, whether it’s a duplicate, or let you peek at it with Quick Look if the filename alone doesn’t jog your memory. Even a Show In Finder feature would help, so you could use Disk Art to find large items, then jump back out to the Finder to figure out what they actually are before you trash them forever.

The bottom line. Stick with the competition. DaisyDisk ($9.99 in the Mac App Store) has Quick Look support and Show In Finder, and Space Gremlin ($3.99 in the Mac App Store) has Show In Finder, Move to Trash, and Compress.