A wedding show: a finale made by the guests
Guests scan a QR code, raise their phones, and the whole room flashes to the couple’s song. Everyone takes part without leaving their seat. The host or DJ launches the show from their desk. Works indoors, no pyrotechnics or equipment
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
Wedding finale ideas
- The last song of the night: the lights go down, guests raise their phones, the couple in the middle of a glowing room
- A first dance surprise: the room switches on flashlights on the host’s cue
- A shared light salvo instead of fireworks, indoors or on a terrace
What wedding shows cost
| Format | Price | Guests take part |
|---|---|---|
| LED-costume performers | usually from 25,000 ₽ | No, they watch |
| Cold fountains | a 1–2 minute set from 15–30 thousand | No, the effect is by the stage |
| Laser show | a small set from 30–50 thousand | No, they watch |
| Drone show | hundreds of thousands of rubles, outdoors only | No, they watch |
| GROMKA.SHOW | from 10,000 ₽ per wedding for up to 100 guests | Yes, everyone |
Prices of other formats from contractors’ public offers, more in wedding light show: types and prices
Examples
A flashlight light show for corporate events, weddings and partiesWe control guests’ phone flashlights via ultrasound, and the whole room flashes to the music. Mechanics for hosts and DJsRead
A flashlight light show in a planetarium while the internet was jammedThe show ran with mobile internet jammed: the page opened, and the phones synced by soundReadRelated articles
Lights, decor and fireworks for a wedding: what to choose for the finaleLighting decor, fireworks, fire shows, LED performers, drones and a show from guests’ phones: what each option gives, what it costs and how to build a wedding finaleRead
Wedding interaction: what guests like and what annoys themGuests don’t like being pulled on stage. How to involve everyone without leaving the tableRead
Pyrotechnic, fire and laser shows: prices and what to use instead of fireworksWhat pyrotechnic, fire and laser shows cost, where they are allowed and what to use instead of fireworks at a wedding, corporate party or indoorsRead
A prom show: a finale the whole class takes part inEvery prom has a host, a disco and a photo zone. How to make a finale everyone films: a light show from the graduates’ phonesReadFAQ
- Won’t the show spoil the atmosphere?
- The format fits the script: a soft flicker for a dance or a bright finale. The show starts from the sound desk exactly when the host needs it
- How much does a wedding show cost?
- From 10,000 ₽ per wedding for up to 100 guests, a fixed price, run it as many times per evening as you like. See the calculator
- Can it replace fireworks?
- Yes. Fireworks are not allowed at every venue, while a light salvo from phones works indoors and without permits. Options in what to use instead of fireworks
- Why is it better than a fire or laser show?
- Guests watch fire and laser shows from the side, and they need rigging and venue approval. Here every guest takes part
- Do guests need an app?
- No. They just scan a QR code and open the page in the browser. Works on iPhone and Android
- Which wedding guest activities work best?
- The ones where nobody has to go on stage. Guests make the light show right from their seats, at the table, phone in hand. What else guests like is in wedding guest interaction
- Can it replace wedding fireworks?
- Yes. Fireworks are not allowed at every venue, while a light salvo from phones works indoors and without permits