provided by App Annie June 1, 2021 Although dining in is back in full swing, customers are still relying heavily on contactless delivery, according to an analysis from App Annie, a mobile data and analytics provider, that revealed that food and grocery delivery app use was still increasing. DoorDash ranked No. 1 among food and drink apps in April 2021 in the U.S. and received 2.1 million new downloads, a continuation of the company's top ranking in Q1 2021 by downloads in the US. Other findings include: Consumers who used weeknight dinner delivery also used grocery delivery services. In fact, 10% of US DoorDash users on iPhones also used Instacart.