Data Policy

Last updated: April 17, 2026

This Data Policy explains what data we collect, how we use it, and your rights regarding your data when you use Claper.co and app.claper.co, operated by OpenPrisma EURL, 66 Avenue des Champs-Elysees, 75008 Paris, France.

What We Collect

Account Data

When you create a Claper account, we collect:

Email address
Name (if provided)
Password (stored hashed, never in plain text)

Event Data

When you use Claper to create or participate in events, we process:

Presentation files (PDF, PPT) uploaded by presenters
Poll questions, responses, and results
Q&A messages and reactions
Quiz questions, answers, and scores
Form submissions
Chat messages

Technical Data

We automatically collect limited technical data:

IP address (for security and abuse prevention)
Browser type and version
Device type
Pages visited and actions taken

Analytics and Marketing Data

We use the following analytics and marketing tools:

OpenPrisma Analytics: Privacy-focused, cookieless website analytics. No personal data is collected. All data is aggregated.
Microsoft Clarity (consent-required): Session recordings and heatmaps to improve UX. Only enabled with your explicit consent.
Sentry: Error monitoring and performance tracking to identify and fix bugs. May collect technical data such as IP address, browser, and device information when errors occur.
Reddit Pixel (consent-required): Conversion tracking for advertising campaigns. Only enabled with your explicit consent.
Facebook Pixel (consent-required): Conversion tracking for advertising campaigns. Only enabled with your explicit consent.

How We Use Your Data

Service delivery: To provide, operate, and maintain the Claper platform
Improvement: To understand usage patterns and improve the platform
Support: To respond to your inquiries and provide customer support
Security: To detect, prevent, and address security issues and abuse
Marketing: To measure the effectiveness of our advertising campaigns (only with your consent)
Legal compliance: To comply with applicable laws and regulations

Data Storage and Location

All primary data is stored and processed within the European Union on Hetzner Cloud infrastructure (Germany/Finland). Some third-party processors may process data outside the EU with appropriate safeguards in place (see Subprocessors).

Data Retention

Account data: Retained as long as your account is active. Deleted upon account deletion request.
Event data: Retained as long as the event exists in your account. You can delete events and their associated data at any time.
Technical logs: Retained for a maximum of 90 days, then automatically purged.
Analytics data: Aggregated and anonymized. No personal data is retained by OpenPrisma Analytics.
Error tracking data: Sentry retains error data for 90 days.

We do not sell your data. We only share data with third-party processors as strictly necessary to operate the service. See our Subprocessors page for a complete list.

Audience Participant Data

Participants who join Claper events may interact without creating an account. In this case:

Participant interactions (messages, poll responses, quiz answers) are associated with the event, not with a persistent identity
No participant cookies are set beyond what is necessary for the session
Event organizers can view and export interaction data from their events
Interaction data is deleted when the event is deleted by the organizer

Self-Hosted Instances

If you use a self-hosted instance of Claper, you are the data controller for all data processed by your instance. This Data Policy applies only to Claper.co and app.claper.co, the official cloud service.

As a resident of the European Economic Area, you have the following rights:

Right of access: Request a copy of the personal data we hold about you
Right of rectification: Request correction of inaccurate or incomplete data
Right of erasure: Request deletion of your personal data
Right to data portability: Request your data in a structured, machine-readable format
Right to object: Object to the processing of your personal data
Right to restriction: Request restriction of processing of your personal data
Right to withdraw consent: Withdraw consent at any time for consent-based processing

To exercise any of these rights, contact us at alex@claper.co. We will respond within 30 days.

Open Source Transparency

Claper is 100% open source. Our source code is available on GitHub for anyone to review, ensuring full transparency about how your data is handled.

Contact

For any questions about this Data Policy: alex@claper.co