
Turn review day into the loudest 12 minutes of the week.
Free forever for teachers. AI drafts the quiz from your lesson plan.
- Free forever
- Reads-aloud for early readers
- No student logins
Paste a topic. Share a 4-digit PIN. Run a live quiz the whole room actually plays, from a 5th-grade classroom to Monday's all-hands.


A 5th-grade review, a 1,000-person lecture, and Monday's all-hands don't share a lot, except they all work better when people compete. Gumbalup is tuned for each.

Free forever for teachers. AI drafts the quiz from your lesson plan.

LMS + SSO ready. One PIN, hundreds answering at once.

Flat team pricing, SSO, and branding — landing soon. Get on the list to try it first.

Drop a topic, PDF, YouTube link, or slide deck. Our AI drafts 10 questions in about 30 seconds. Edit anything.
no blank page
One 4-digit PIN. Players join from any browser. No app install, no logins, no accounts to chase.
works on any phone
Server-authoritative timer, live leaderboard, instant answer stats. Moderate on the fly.
you stay in charge
Free plan, forever. Upgrade only when you need more.
Built with and a lot of snacks, by two humans who really want the room to shout.
One dreams it up, another writes the code. Both refuse to ship boring.