I was born at a time in history where there were no smartphones or apps. I have literally seen during my lifetime how smartphones and apps have completely changed the way we conduct our everyday life activities. Few years back, we could not even think in our wildest imaginations whether we could order food from the comfort of our home with few clicks on the phone. Apps like Grubhub has really made our lives so easier and comfortable. As long as you have a smartphone and a credit card, we could get food right at our doorstep with help of apps like Grubhub. Now let's think about a situation where you selected the restaurant you want to order food and added the food items to your Grubhub cart and while placing the order, you get a message that your credit card has declined or there was some problem with your payment method. I am sure not everyone want to be in that situation but unfortunately there are times where we come across that scenario where we have to update our credit card information. Personally, I had to update my credit card information several times since I maxed out couple of my credit cards. Have you ever been in that situation? In this article, we are going to teach you how to add a new credit card to Grubhub app on your iPhone. Please follow the steps mentioned below to add a new credit card to Grubhub app on your iPhone: