Who buzzed first? Now you know.
A real-time buzzer for live lectures and classrooms. Students scan a QR code and buzz in from their phones, with no app and no login.
Open a room
One click gives you a room with a QR code and a short join code.
Students scan
They join from any phone browser. No app, no account, no email.
Buzz in
Open a round and see everyone ranked by who buzzed first.
Built for the room you teach in
Real-time ranking
Every buzz shows up instantly, in order, on your screen and the big screen.
No login for students
Scan and go. Works with a whole lecture hall on one campus wifi.
Groups & points
Sort students into teams at random or let them choose, then award points per round.
TV display
Pair a classroom TV once and it shows your newest room automatically.
Clicker friendly
Open, lock and reset rounds from the keyboard or a presentation clicker.
Open source
MIT licensed. Host your own copy for free on Supabase and Vercel.
Get in touch
Questions about using BuzzFirst at your school, a hosted plan, or anything else? Send a note. For bugs and feature requests, please open a GitHub issue.