Short Answer: Maybe.
Long Answer: You're looking at a rebundling of a bunch of free tools, that someone is charging you extravagant amounts of money for. I know. I thought about making one of these tools for a quick buck, then my morales caught up with me.
If you're looking to analyze a wireless network and see and poke some holes in it, here is a link
http://www.aircrack-ng.org/But the short answer is: use a long ass password with WPA2 and you'll probably be fine, if your network is truely sensitive, evaluate if you need wireless in the first place.
If you were looking at it for the "automated vulnerability scanning" then here
http://www.rapid7.com/products/nexpose/editions.jspor
http://www.rapid7.com/products/metasploit/download.jspwith a side of
http://www.fastandeasyhacking.com/You won't get fancy report generation but meh. Do you really need it?
I'd tell you to go out and learn and not to use prepackaged tools and such, but if you're looking at these then at least use the ones that aren't gonna cost you hundreds of dollars. You probably don't want to learn the cool way. But if I see a single "help me with metasploit plz" thread from you. I will light you on fire.
Also I have some Alfa Wireless cards like that, paypal me 100$ USD and I'll send you one. I'll even throw in a nice plot of swampland in Florida!