Stadium fan show and pre-match light show
Before a match or concert, viewers scan a QR code on the scoreboard, raise phone flashlights, and the stands form a light pattern. Cases at Samara Arena: Krylia Sovetov, CSKA, Lokomotiv. We work across Russia
Technologies
A synchronized show from viewers’ phones: each screen and flashlight becomes a pixel of the shared picture
Works in the browser, no app download required
Works on whitelists, even when the internet is blocked
Flashlight sync without internet via ultrasound, no load on the mobile network
Mapping the picture from flashlights by row and seat or by geolocation
Pricing
Total
3,900$
Fixed price for the entire event
Why not drones or light wristbands
- Drone shows: from 500,000 ₽, approvals, weather, arena restrictions
- Light wristbands: logistics, disposal, no post-event promo on phones
- GROMKA.SHOW: flashlight already in the fan’s pocket, launch in minutes, browser promo after the show
Stadium cases
Pre-match performance with flashlights: Krylya Sovetov vs CSKASamara again: the stands of Samara Arena formed a light picture before the CSKA gameRead
Pre-match light show at the stadium: Krylya Sovetov vs OrenburgThe first flashlight show launch at Samara Arena before a cup matchRead
Light show and prize draw at Krylya Sovetov vs LokomotivA prize draw was added to the flashlight show, and the number of participants grew noticeablyReadGROMKA.SHOW
Fan engagement numbers in a flashlight show
FAQ
- How many fans usually participate?
- On early runs – 10–15% of attendees, growing as the format gets familiar. Numbers for Krylia Sovetov – Lokomotiv in our engagement report
- Does it work outdoors with floodlights on?
- The effect is stronger in the dark. If lights cannot be dimmed, we focus on phone screens or combine formats
- What prep does the club need?
- QR on the scoreboard, sound to speakers, script alignment with the field host. We handle the tech
- How much does a pre-match show cost?
- From 30,000 ₽ for audiences up to 1,000 viewers, a fixed price per event for arenas and stadiums. For comparison: a drone show starts at 500,000 ₽ and depends on the weather. Details in our pricing article
- How to organize the show: what does the club provide?
- Three things: a QR code on the scoreboard, our control track in the stadium sound and a minute in the matchday script. We prepare the show script, the page and the analytics. From brief to launch usually takes 1–2 weeks