Whether you're planning your upcoming visit or already right in the thick of the festival, the official 2024 Summerfest App is a must-have for fans who want to carry "one of the most iconic music festivals" in their pocket!" Plus We're giving away 15,000 promo tickets good for one admission on any day during the first weekend of Summerfest (either June 20, June 21, or June 22) courtesy of Pepsi (while supplies last). Limit (1) one per device. Dive into the Lineup • Check out the daily lineup