This app was removed from the App Store.
Mac OS Utilities
FreeSpace Tab makes it easy to check the available space on all your drives with a single click. Eject your mounted volumes quickly and monitor free space of your System Volume in the menubar.
Use the small lock icon to exclude mounted volumes from the "Eject All" function.
Just give it a try!
We'd like to know how to improve our next version, contact us at Rocky Sand Studio http://www.rockysandstudio.com