The official Harmony of Hardcore app is your ultimate guide during Harmony of Hardcore 2026 – The Awakening of the Ultimate Hardcore Feeling on May 23rd. - Exclusive news & Updates: Be the first to discover what’s happening at Harmony of Hardcore the whole year. - Line-up & personalized Timetable: Discover all artists, save them to your favorites & create your own personalized timetable. - Interactive Floorplan: Find your way at the massive Harmony of Hardcore festival site, all stages, food stands & more. (released a couple of days before Harmony of Hardcore starts) - Real-Time Push Notifications: Enable push notifications and location services to discover what’s happening around you, and receive important information in real-time, such as line-up changes, emergency communication, and more. - All Practical Information: Find more information about Harmony of Hardcore.