Q Lighter
Turn your phone into a concert lighter
No app download. No sign-up required. Just scan the QR code.
Look for the QR code or event code on the big screen
Everything a venue needs for crowd engagement
Color Voting
Audience picks the color — the whole crowd lights up in sync.
Live Polls
Push yes/no questions, song requests, or crowd mood checks in real time.
Crowd Chat
Moderated live chat — fans talk to each other during the show.
Color Blasts
Operator fires a color blast — every phone flashes the same color at once.
Crowd Metrics
See how many phones are lit, average brightness, and engagement in real time.
Moment Overlays
Push announcements, video prompts, check-ins, and trivia over the lighter screen.
How it works
Create an event
Set up your concert, festival, or show in 30 seconds. Get a unique join code and QR.
Fans scan the code
Display the QR on the big screen. Fans open it on their phone — no app needed.
Control the crowd
Push color blasts, polls, and chat from your operator console. See engagement live.
Venue Operator
Create events, push lighter commands, run polls, moderate chat, and see real-time crowd metrics — all from your phone or laptop.
Free for events up to 500 attendees. No credit card required.