No that is not true. Every person is entitled to one free credit report per year. You can get this from
http://annualcreditreport.com
Keep in mind this will not show you your
credit score, just your credit report.
The thing that reduces your credit score is called a credit inquiry. That happens when you apply for credit and a creditor pulls up your score. Every credit inquiry reduces your score by about 5 - 10 points.