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Refrival partnered with Yellowbricks TRISON to deliver interactive audience experiences at large-scale festivals through the HEICam engagement platform.
The challenge was to generate engagement at large festivals. Additionally, TRISON needed to offer attendees interactive digital dynamics that would enrich the festival experience. At the same time, the solution had to consistently avoid interfering with attendees’ enjoyment, while keeping the technology simple enough for spontaneous participation.
TRISON Yellowbricks developed the HEICam platform, which allows user registration, participation in games, polls and contests, and displays the results in real-time on the festival’s screens, creating an interactive and immersive experience. For example, attendees can submit content, vote in live polls or join branded festival challenges.

At Festival de Les Arts in Valencia, HEICam connected close to 40,000 attendees with the event’s live screens. Over a continuous 16-hour period, the platform processed a new submission roughly every 21 seconds, without a single content incident. Subsequently, HEICam scaled to further festivals including Holika, Kalorama and FIB Benicàssim. Its reach later extended through a multichannel campaign with Spotify.
Technology, creativity and participation combine to deliver interactive audience experiences at the heart of every festival.
TRISON Yellowbricks built HEICam on Ufan!, its proprietary engagement platform, already proven in professional sports environments before its adaptation to festivals. As a result, the system operates reliably in high-demand environments, supporting thousands of simultaneous users. Its administration panel enables content moderation and flexible activation formats such as selfies, contests and quick polls. This adapts seamlessly to different festivals and brand objectives. Furthermore, all data collection within the platform complies with GDPR, with user consent managed directly through the application.

With HEICam, Refrival and Yellowbricks TRISON redefine festival engagement, transforming participation into the most powerful live attraction.
This project has been recognised by industry leaders for its excellence in design, innovation, and execution.
AV INTEGRACIÓN 2026
BEST TECHNICAL PROJECT FOR A CONCERT/FESTIVAL, HC
REFRIVAL – HEICAM