McDonalds organises a customer satisfaction survey in the name “MCDVoice” at the official site www.mcdvoice.com. Customers who dine-in at McDonald’s restaurant will receive a printed receipt soon after the purchases. This survey code on printed receipt is mandatory in-order to take mcdvoice.com survey . After you complete your dining at food stores, make sure that you secure the McDonald's receipt at the safer place (Begin the process before the print on receipt wipes off). As mentioned, Customers need to Take this Mcdvoice Customer Satisfaction Survey at the official site of MCDVoice within 7 days of your last purchase to win the Free Sandwich upon purchase on any Sandwich. The MCDonald's Survey consists of a set of multiple choice questions with 4 choices where you need to answer all questions carefully asked in the survey whether you are Highly Unsatisfied/ Satisfied | Highly Satisfied |  Extremely Satisfied with the restaurant’s food quality & taste, menu items, price, ambience, cleanliness, staff behaviour, speed of delivery, If they don’t understand why their customers are unhappy express your satisfaction or dissatisfaction via www.mcdvoice.com. So that your insights will be taken into consideration to develop new products and make changes in existing products. Because Popular Brands like McDonald’s serve more than 50 million customers each day, which resembles more customers who are eligible to participate on www.mcdvoice.com.