Rehab/Flip Analysis Chrome Extension

I was looking through Google Chrome's extensions for anything Real Estate related and came across this. https://chrome.google.com/webstore/detail/realcrunch/ngdfckhjcfcibfmegijcejialhhdidcb?

Says that it creates a Pro Forma and everything...
A video can be found on the last tab. To the flippers out there, is it any good?