Portable Inkscape OS X is the binary distribution of the Scalable Vector Graphics editor for Mac OS X packaged as portable application so you can take your preferences with you.
Portable Inkscape OS X is the Inkscape Scalable Vector Graphics editor packaged as portable application so you can carry around with you on any portable device, USB thumb drive, iPod, portable hard drive,memory card, other portable device (also on your internal hard disk) as long as it has 40MB of free space and use on any Mac OS X computer, taking your preferences with you.