Get iHOP pancakes for practically free on its 58th anniversary. You can enjoy pancakes at iHOP for practically free. It's all in celebration of the restaurant chain's 58th anniversary. On Tues., July 12, 2016, iHOP is offering its short stack of pancakes for 58 cents. It's regularly $3.99. The offer is good from 7am to 7pm nationwide. The deal is limited to one short stack of three buttermilk pancakes per guest.