I got really confused with this companies. Both are said to be from Shaan Patel.
Not sure, but this thread may be of interest:
http://talk.collegeconfidential.com/sat-preparation/1883857-kranse-institute-p1.html
Yup, they’re owned by the same folks. I read somewhere that Kranse just uses course material from Prepexpert. By the way, if anybody wants to save some money, use the code TFC when purchasing anything from http://www.kranse.com?rfsn=715144.9b8607 I got 30% off and the code doesn’t expire anytime soon.