Your credit score is the key to your financial future: It can determine whether you get approved for a credit card, car loan or mortgage, and what interest rate you'll pay, In some cases, your score can influence whether you get an apartment or even a job. So, it's important to check your score regularly. Not only will you see any progress you've made in improving your credit, but you'll know about dings on your record and be able to catch mistakes or fraud.