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Light show for corporate events, weddings and proms

Guests scan a QR code, raise their phones, and the whole room flashes to the music. The host or DJ controls the light from the sound desk. It fits the peak of a corporate party, a birthday or anniversary, the first dance and a wedding finale instead of fireworks. No app and no equipment rental

A DJ controls the room’s flashlights from the sound desk

Works in three steps

1. QR code

Viewer scans QR code, browser opens, taps "Start"

2. Start

Raises their phone: their flashlight or screen become part of the show

3. Perks

After the show, they join giveaways and grab promos from brands

See case studies →

Event technologies

A synchronized light 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

How it differs from other light shows

  • LED-costume performers: a 5–10 minute act, the audience watches from their seats, from 25,000 ₽
  • Laser and neon shows: equipment rental, rigging, a fully dark room required
  • GROMKA.SHOW: the whole room takes part, nothing to rig, from 10,000 ₽. The formats mix well: our show often closes the night after the performers’ act

Examples

Related articles

FAQ

Do guests need to install an app?
No. Scan the QR code and open the page in a browser. Works on iPhone and Android
Who launches the show?
The sound engineer, the DJ or the host, whoever has access to the sound. We prepare the script and control tracks in advance
What does the venue need to provide?
A QR code on screen or in print, speakers or a desk for the ultrasound, and internet so guests can open the page
Will it spoil the atmosphere at a wedding?
The format follows your script: a soft glow for the dance or a bright finale. The show starts from the sound desk at the right moment. Options in our wedding light show article. More on the wedding show page
Does it work for a New Year corporate party or a prom?
Yes, these are the most common scenarios: a dark room, the peak of the night, every guest with a phone. Ideas in our article about a New Year corporate show. More on the corporate event show page
Can it replace fireworks?
Yes. Fireworks are banned in many places, while cold fountains and smoke only work on stage. A light salvo from the guests’ phones closes the night indoors and needs no permits. For city celebrations see the city day show page
Does it fit a conference or an award ceremony?
Yes. The show goes on the opening, between sessions or into the ceremony finale: the room answers questions from the stage with light and gathers into one picture at the end
How much does a light show cost?
From 10,000 ₽ for a room of up to 100 guests, a fixed price for the whole event. For comparison: an LED-costume act starts at 25,000 ₽, a drone show at 500,000 ₽. Get a quote for your audience on the pricing page
Is this an immersive show?
Yes, literally: guests don’t watch someone else’s action, they create it with their phones. See the comparison with immersive plays in the immersive show overview
Can I book the show for a birthday or anniversary?
Yes. Same format: guests scan a QR code and the room flashes to the music. The show goes on the cake, a toast or the finale of the evening
How is it different from a laser or fire show?
Guests watch laser and fire shows from the side, and they need rigging and venue approval. Here every guest takes part and no equipment is needed. Formats compared in corporate light show: types and prices
Can the show replace a team building?
Yes, it is often run as a team event for employees: the picture only comes together when everyone takes part. Scenarios in unusual team building
What can I add to a party script so every guest takes part?
A light show at the peak moment: guests raise their phones and the whole room flashes to the music. It goes on the cake, the first dance, a toast or the finale of the evening

Contacts