Fair Isaac corporation says its Fico Credit rating score is used in 90% of credit transactions in America. A good score makes a big difference in whether or not you will be granted credit, and at what interest rate. So, it’s a good idea to keep track of your score, but up until now you’ve had to pay for it.

Now, some big banks are making your FICO score available to their credit card holders, or at least some of them. You can check a list here.