|The site is called Credit Karma. Yes, it is actually free. No, you will not need to sign up only to cancel an account. The site gives you your TransUnion score. The site attempts to make money by selling products to users based upon the individual's profile. Don't believe me? Ask the Wall Street Journal what they think.|
As banks continue to reign in credit your score become of critical importance to receive a superior financing rate. If you were to purchase a 500k home in Chicago a excellent score would saved you $174,000 dollars in interest over the life of the loan. You can try your own calculation here.