How do I redeem the McDonald’s app deal voucher/discount on the card? March 04, 2025 04:31 Updated When you receive the scratch card, Scratch the front of the card to reveal the McDonald’s app deal promo code. Open the McDonald’s app and enter the promo code to add the deal. Related articles How do I enter the lucky draw? What’s on the Scratch & Win card? I am having issues with keying in promo code for deals. Why is this so? I have more than one McDonald’s® App deal. Can I redeem more than one deal at the same time? What are the prizes for the lucky draw?