McDonald’s National Cheeseburger Day 2025: the 50¢ Double Cheeseburger explained1 SHARESPosted: 18 September 2025 | New Food |On McDonald’s National Cheeseburger Day 2025, the 50¢ Double Cheeseburger promotion isn’t just a deal—it’s a strategic move, leveraging mobile apps, data-driven demand forecasting, and operational agility to drive engagement and business outcomes. McDonald’s leverages National Cheeseburger Day 2025 to showcase its digital strategy and operational planning with a 50¢ Double Cheeseburger promotion. Credit ShutterstockMcDonald’s is celebrating National Cheeseburger Day on September 18 with a headline-grabbing promotion: a Double Cheeseburger for just 50¢, available exclusively through its mobile app. By tying a deep discount to a culturally recognised event, McDonald’s National Cheeseburger Day campaign encourages app downloads and mobile ordering. For consumers, McDonald’s 50¢ Double Cheeseburger represents an opportunity to enjoy a classic menu item at an unbeatable price.