Numerous credit cards offer low-interest rates, but there are some that have 0% introductory interest rates for a specified time period; these cards are known as 0% intro credit card APR. 0% intro APR credit card offers no interest rate for a maximum of 21 months. You can also find free credit cards with no annual fee, transaction free or intro APR. Some of these popular cards are Chase Freedom Unlimited®, HSBC Gold Mastercard® credit card, Bank of America® Cash Rewards credit card, Capital One® Quicksilver® Cash Rewards credit card, The Amex EveryDay® credit card from American Express, etc.