For Education

Engage every student.

Claper helps teachers and lecturers turn passive audiences into active learners with live polls, quizzes, and Q&A, in any classroom or lecture hall.

Get Started

Follow our step-by-step guide to install Claper on your own and explore all its features.

Discover the Claper experience

Explore features

Empower every voice. Transform your presentations into vibrant, real-time conversations.
Teams at the world's leading organizations

They use Claper

Caltech
Technische Universität München
KU Leuven
RWTH Aachen University
Technische Universität Berlin
Indian Institute of Technology Bombay
Graz University of Technology
NYC Department of Education
PowerSchool

Want to join an event?

Join a space where your voice matters. Connect with the speakers.

#1 open-source interaction software  

#1 open-source interaction software  

#1 open-source interaction software  

Anonymous Q&A

Let every student ask without fear. Anonymous questions remove the social cost of speaking up, and upvotes surface what the whole class actually needs you to explain again.

Live comprehension checks

Know who's following, before the bell rings. Launch a quick poll mid-lesson to see who's lost, who's ahead, and what to reteach right now.

Export Data

Preserve every valuable interaction. Export comprehensive session data with one click, analyze engagement patterns, and transform audience insights into actionable intelligence.

Reuse your courseware

Keep the slides you already teach with. Upload your PDFs and PowerPoints and layer quizzes, polls, and questions on top, no rebuild required.

Claper

Built for the classroom

Multi-Language

Navigate in your preferred language. The entire platform interface is available in English, French, German, Spanish, Dutch, and Italian, making it accessible to presenters and teams worldwide.

Student engagement insights

Spot struggling students earlier. Track participation, quiz scores, and engagement trends so you can tailor each class to the students in front of you.

One-in-All Dashboard

Control everything from a single screen. Manage messages, launch interactions, and adjust settings effortlessly while maintaining your focus on delivering a compelling presentation.

Open-Source

A platform you can truly own. Enjoy full transparency, tailor every detail to your needs, and join a thriving community of innovators shaping the future of interactive presentations.

LMS

Connect your educational ecosystem. Integrate seamlessly with Moodle to import quizzes, synchronize participant data, and create consistent learning experiences across platforms.

Loved by educators

Teachers and lecturers trust Claper

From K-12 to higher education, Claper is the engagement tool of choice for thousands of educators worldwide.

Claper completely changed my classroom. Even my shyest students raise their voice now, through anonymous questions, of course.

Léa M.

Quizzes mid-lecture used to break my flow. With Claper, I launch them in a click and the results tell me exactly what to reteach.

Daniel P.

The participation insights help me spot students who are falling behind before they say a word. It's changed how I plan every week's lessons.

Priya R.

Start for free. Switch plans for more.

Start creating an interactive presentation for free. Upgrade to empower your talks, unlock additional features and support our mission.

Small

0per event
Up to 10 attendees
5 MB presentation size
  • Unlimited interactions
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Medium

2.49per event
Up to 100 attendees
30 MB presentation size
  • Unlimited interactions
  • Data exports
  • Event reports
  • Manage presentation with your team or colleagues
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Most Popular

Large

4.49per event
Up to 200 attendees
100 MB presentation size
  • Unlimited interactions
  • Data exports
  • Event reports
  • Manage presentation with your team or colleagues
Create event now

Huge

6.99per event
Up to 500 attendees
300 MB presentation size
  • Unlimited interactions
  • Data exports
  • Event reports
  • Manage presentation with your team or colleagues
  • Priority support
Create event now

All the answers to your questions.

Can I self-host Claper on my server ?

Yes. Claper is open-source and you can host it on your own server using Docker or doing a manual installation.

Can I use it for free ?

Yes. You can use Claper for free with a limited number of attendees.

How many attendees can I have ?

With the free plan, you can have up to 10 attendees. If you need more, you can upgrade your plan to go up to 500 attendees.

How Claper is different from other tools ?

Claper is a free and open-source project. You can use it for free and host it on your own server. Claper is also a community, we are listening to your feedbacks and we are always improving the platform.

Can I get a refund ?

Yes. You can ask for a refund within 7 days after your purchase through the email support.

For what kind of events can I use Claper ?

Claper is perfect for any kind of events: conferences, meetups, workshops, etc. even if it's more suitable for physical events.

Still have questions?

We're here to help. Reach out for any inquiries.