Leading food delivery apps in the US are using video-based ads to reach consumers in a competitive market, with digital ad spending on desktop and mobile video ads in the first nine months of 2023 up 71% YoY. Top food delivery apps have employed unique approaches to differentiate themselves: UberEats prioritized on-time delivery, Grubhub partnered with Amazon Prime, and DoorDash targeted gamers on Twitch. These diverse strategies reflect the dynamic and evolving nature of the industry.