Quack, Kahoot!, Mentimeter, Slido and AhaSlides compared
Each of these tools grew up around one job: quizzes, polls or audience Q&A. This page puts all five on one table, with plans and limits as each vendor states them and the date we read them, so you can see which fits your room. That includes the rows where the others do better than Quack.
Five tools, one table
Kahoot!: checked 2026-10-08 against kahoot360.com/pricing, kahoot.com/schools/plans · Mentimeter: checked 2026-10-08 against mentimeter.com/plans · Slido: checked 2026-10-08 against slido.com/pricing · AhaSlides: checked 2026-10-08 against ahaslides.com/pricing, docs.ahaslides.com
| Feature | Quack | Kahoot! | Mentimeter | Slido | AhaSlides |
|---|---|---|---|---|---|
| Ideal for | Mixed sessions: a quiz, polls and Q&A in one deck, free for rooms up to 300 | Game-show quizzes, a large library of ready-made kahoots, and very large events on the top plans | Polished, poll-led presentations and audience voting at scale | Q&A and polls running alongside meetings and events | Slide decks with quizzes, polls and Q&A, run from PowerPoint or Google Slides and paid yearly |
| What the free plan really allows | Up to 300 players per session | 15 players, 15-minute sessions (work plan) | 50 participants a month (exceed once a month) | 100 participants, 3 polls per event | 50 participants; 5 quiz + 3 poll questions per presentation |
| Paid plans start at | €12/month | From USD 19/presenter/month | From USD 14/month | From USD 210/year | From USD 7.95/month billed yearly (USD 23.95 monthly) |
| Billing | Monthly or yearly | Yearly only (work and school) | Annual only | Annual or one-off passes | Monthly or yearly (yearly up to 67% less) |
| Game-show quizzes with leaderboard | Included | Included | Included | Partial or plan-dependent | Included |
| Polls, scales & word clouds | Included | Partial or plan-dependent | Included | Included | Included |
| Audience Q&A with upvotes | Included | Partial or plan-dependent | Included | Included | Included |
| AI drafts a full deck | Included, free credits to start | Partial or plan-dependent | Included | Partial or plan-dependent | Included |
| Your colors & logo on slides | Plus, €12/month | Paid plans (logo & colors) | Pro plan | Professional plan and up | Themes on Essential, logo on Pro |
Will my room fit?
Enter how many people join a session and how often you run one. You'll see the cheapest plan on each tool that takes that room, from the plans each vendor publishes.
| Tool | Cheapest plan that fits |
|---|---|
| Quack | Free · Free |
| Kahoot! | Pro Start · USD 19/presenter/month, billed yearly |
| Mentimeter | Basic · USD 14/presenter/month, billed yearly |
| Slido | Basic (free) · Free, 3 polls and 1 quiz per event |
| AhaSlides | Free · Free, 5 quiz + 3 poll questions per presentation |
Prices are as each vendor shows them, in their currency, on the dates above. Some plans also limit questions or features, so check the vendor's page before you buy.
Every comparison
- Kahoot! alternativeQuiz games
- Mentimeter alternativePolls & presentations
- Slido alternativeQ&A & polls for meetings
- AhaSlides alternativeSlide decks with quizzes, polls & Q&A
- Kahoot! vs MentimeterHead to head, with Quack alongside for reference
- Kahoot! vs SlidoHead to head, with Quack alongside for reference
- Mentimeter vs SlidoHead to head, with Quack alongside for reference
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