Alternating Currents 2021 is a free Android app that is designed to provide festival-goers with an immersive experience. This mobile app is designed and developed by Patron Technology Ltd, and it is categorized under Social & Communication. The app is a one-stop-shop for all festival-related information, including music, film, comedy, and art.

The app has several features that make it stand out from other festival apps. The first feature is the push notification feature, which keeps users informed about schedule changes, emergency information, weather updates, and special offers. The second feature is the customized schedule, which enables users to see every artist and where/when they are performing. Users can also add artists to their custom schedule and save them for quick reference throughout the festival. Finally, the app provides artist information, including their official bio, photo, video, and more, on their respective artist detail pages.