Interest rate refers to the annual cost of a loan to a borrower and is expressed as a percentage APR is the annual cost of a loan to a borrower – including fees. Like an interest rate, the APR is expressed as a percentage. Unlike an interest rate, however, it includes other charges or fees such as mortgage insurance, most closing costs,
The overall cost of a mortgage is what is most important. A low interest rate is a big part of that cost, but consider all.