Mortgage rate and APR: What's the difference?

By Marcie Geffner - Credit Karma

Choosing the right mortgage can help you save money and feel more comfortable with your monthly housing expense. One thing you'll need to know when you shop for a mortgage is how to compare a mortgage interest rate and an annual percentage rate (APR).
A mortgage interest rate is a small percentage that's applied to your loan balance to determine how much interest you owe your lender each month. When you begin to repay your loan, your rate will be used to calculate the interest portion of your monthly payment.
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https://www.creditkarma.com/article/mortgage-rate-vs-apr