OpenFloor vs Mentimeter
Mentimeter is a presentation-first tool with a large library of interactive slide types built into a deck. OpenFloor is a dedicated live Q&A and engagement platform with flat per-account pricing and privacy defaults. This page compares the two so you can see which model suits your events.
Feature by feature
| Feature | OpenFloor | Mentimeter |
|---|---|---|
| Free plan participant limit | 50 per session | 50 per month |
| Live Q&A with upvoting | Yes | Yes |
| Q&A moderation | Yes | Pro plan |
| Multiple choice polls | Free: 3 per session | Yes |
| Word clouds | Free: 1 per session | Yes |
| Quizzes and leaderboards | Pro plan | Yes |
| Surveys | Pro plan | Yes |
| Analytics and data export | Pro plan | Basic plan |
| Custom branding | Pro plan | Pro plan |
| Anonymous audience (no login) | Yes | Yes |
| Paid plan entry price | £10/$12/€10 per month | Per presenter, billed yearly; see source |
Swipe sideways to see every column
Where OpenFloor fits
A limit for each session
OpenFloor Free allows 50 participants per session. Mentimeter Free counts 50 participants across the month, with an exception for an ongoing presentation when the limit is reached.
Flat per-account pricing
OpenFloor Pro is £10/$12/€10 per month. Mentimeter prices Basic and Pro per presenter, billed yearly; compare the number of host accounts you need.
Join without an account
Audience members can join without an account. Browser identifiers help limit duplicate votes, and session content is removed after the plan retention window.
Where Mentimeter may fit better
Large interactive slide library
Mentimeter offers 23 slide types, including quizzes, word clouds and Q&A, usable on the free plan. OpenFloor free gates quizzes and surveys to Pro.
Presentation builder in one place
Mentimeter combines your slides and interactive content in a single deck, so the whole presentation lives in one tool. OpenFloor is engagement only and does not build slide decks.
Quizzes and word clouds free
Quizzes and word clouds are included on the Mentimeter free plan, while OpenFloor free includes only 3 multiple choice polls and 1 word cloud per session.
Questions, answered
Yes. The free plan covers 50 participants, one active session, basic Q&A with voting, 3 multiple choice polls and 1 word cloud per session, and 7-day retention. Pro is £10/$12/€10 per month for 1,000 participants and every engagement type.
No. OpenFloor has no import tool and does not build slide decks. You recreate your polls and Q&A directly in OpenFloor when you set up a session.
Mentimeter counts participants across presentations and resets the allowance on the monthly anniversary of signup. An ongoing presentation can exceed the limit, with an eight-hour grace period. OpenFloor Free allows 50 per session.
About this comparison
Competitor details checked 17 September 2026. Plans and features can change. Spotted something out of date? Tell us.