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Quatio Observer is a utility that monitors the size of files and folders. It shows the items size in the dock menu. Special feature is Favorite Size. Features include:
  • Customizable time for checking monitored items.
  • Shows the size of items in the dock menu.
  • Alerts when an item reaches the Favorite Size.
  • Displays the space occupied by mounted disks.
  • Made in Cocoa.

What's New

Version 1.1.2:
  • Version check updated.


Mac OS X 10.2 or later

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Current Version (1.x)


Downloads 3,287
Version Downloads 1,634
License Free
Date 17 Jan 2005
Platform OS X / PPC 32
Price Free
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