There are several differences depending on your requirements:
The Portable Penetrator comes with an an easy to use GUI interface with professional reporting.
And you operate with the GUI.
You can do customized reporting add your own company name and logo.
It can do Vulnerability Scanning and Vulnerability Assessment.
Comes preloaded with 1 billion entries word lists.
Automatically updated 64 Bit Images easy to download.
Live chat and helpdesk support included.