Slido Review 2026: Pricing, Features and Alternatives

Verdict: Slido is a good fit if you run meetings, webinars or classes and mainly want audience questions and quick polls with little setup. It is easy for participants to join, and the free plan is usable for small groups. Moderation, branding and larger audiences sit behind paid plans, so check the limits before an important event. Official site: sli.do.

What Slido is and who it is for

Slido is an audience interaction tool. A host creates an event, shares a join code or link, and participants answer polls and submit questions from their own devices. Slido says attendees do not need a login or a download. It also connects to PowerPoint, Google Slides, Zoom, Microsoft Teams and Webex, so the polls can run inside the tools you already use.

It suits team meetings and all-hands calls, conference sessions, training and teaching. It is less suited to people who want heavily designed, presentation-first slides, where Mentimeter is a more natural match.

Key features

• Audience Q&A: participants submit questions from any device and vote on them, so popular questions rise to the top.
• Live polls: several poll formats, plus word clouds and brainstorming-style ideas.
• Quizzes: live quizzes for training or classroom use.
• Surveys: collect input before, during or after a meeting.
• Analytics: Slido highlights popular questions and topics after the event.
• Slido AI: suggests poll ideas and helps refine question wording.
• Moderation and branding: Slido’s help community lists question moderation, custom branding and participant email verification under the Professional plan.
• Security extras: single sign-on, user provisioning and Slido Spaces are listed for Enterprise.

Pricing

Slido’s pricing page needs JavaScript to display its numbers, so I could not read exact plan prices from it. The figures below come from Slido’s homepage and help community, checked October 2026. Slido’s homepage states that paid upgrades start at 15 euros per month. Other sites quote different amounts in US dollars, so confirm the current price and billing period on Slido before you buy.

Plan	Price	Billing	What the vendor says it covers
Basic	Free	None	Up to 100 participants per Slido; Q&A and polls with limits
Engage	Paid; Slido’s homepage says paid plans start at 15 euros per month	Annual licence or one-time plan	Unlimited polls, quizzes and surveys, data exports, images in polls
Professional	Paid, not verified	Annual licence	Engage features plus Q&A moderation, custom branding, participant email verification
Enterprise	Custom or not verified	Annual licence	Professional features plus SSO, SCIM provisioning, Slido Spaces

One-time plans cover a single event of up to 7 continuous days, which is useful if you only need Slido once. Slido also lists education plans and an Enterprise flat-fee option. Third-party listings report that the free plan allows 3 polls and 1 quiz per event, but I could not confirm this on Slido’s own pages.

Pros and cons

• Pro: simple for participants, with no login or app needed.
• Pro: works inside PowerPoint, Google Slides, Zoom, Teams and Webex.
• Pro: a free plan that is enough for small, occasional sessions.
• Pro: one-time plans for single events.

• Con: exact prices are hard to find without JavaScript or a quote.
• Con: the free plan caps participants at 100 per Slido and limits some features.
• Con: question moderation is a paid feature.
• Con: annual licences tie you in for a year.

Alternatives: Mentimeter and Poll Everywhere

Mentimeter is slide-led and strong on visual question types. Its pricing page lists a free plan with 50 participants per month and 23 slide types, with paid Basic and Pro plans priced per presenter and billed yearly only. I could not read the paid prices from the page. Compared with Slido, its free plan is smaller, but you build more of the presentation inside it.

Poll Everywhere lists these plans in US dollars: Intro is free for 40 participants, Present is $10 per month billed annually ($120) for 700 participants, Engage is $49 per month ($588 billed annually), and Teams is $84 per month ($999 billed annually). Compared with Slido, it has a smaller free audience but a clear public price list, and its pages emphasize education and LMS use.

FAQ

Is Slido free?

Yes. Slido offers a free Basic plan, and its help community says it supports up to 100 participants per Slido. Paid plans add features such as moderation and branding.

Do participants need an account?

Slido says attendees can join without logging in or downloading anything. Some paid plans add optional participant email verification.

Can I use Slido inside PowerPoint or Zoom?

Slido lists integrations with PowerPoint, Google Slides, Zoom, Microsoft Teams and Webex. Check that your version of each tool and your organisation’s IT rules allow the add-in.

Should I buy an annual plan for one event?

Probably not. Slido offers one-time plans for a single event of up to 7 continuous days. Compare that cost with an annual licence before you decide.

Closing verdict

Slido is a sensible default for audience Q&A and polling in meetings, webinars and classes, especially if your slides already live in PowerPoint, Google Slides or a video-call tool. Try the free plan first and make sure your audience size and moderation needs fit before you pay. If you want more visual, slide-first sessions, try Mentimeter. If you want public, clearly listed prices, look at Poll Everywhere. Prices and limits change, so confirm them on each vendor’s site.