두잇 is a free delivery app designed specifically for single-person households in South Korea. With a fixed minimum order amount of 9,000 KRW, users can enjoy free delivery even for a single serving. The app offers various promotions, including a first order deal where popular menu items are available for just 100 KRW with free delivery.

Key features of 두잇 include lifetime free delivery without a paid membership, a daily selection of seven menu items at a special price of 7,900 KRW, and a community feature that allows users to share local restaurant information. The app also includes a fun game called “삐약이,” where users can raise a chick and earn snack gift coupons. Availability of certain features like 두잇 777 and the 100 KRW deal may vary by location.