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Privacy Policy

Last Updated: June 22, 2026

1. Introduction

Prime Calendar ("we," "us," or "our") respects your privacy. This policy explains how we collect, use, safeguard, and process your personal data when you use our website (https://www.primecal.eu) and the Prime Calendar application ("the Service").

2. Our Role: Controller vs. Processor

Under the GDPR, Prime Calendar acts in two capacities:

  • Data Controller: For your account information, billing details, and usage data. We decide how and why this data is processed.
  • Data Processor: For the specific calendar events, participant details, and reservation data you input or sync into the Service. You (the user) are the Controller of this data, and we process it strictly on your behalf to provide the Service.

3. Information We Collect

We collect the following types of information:

  • Account Information: Name, email address, password (encrypted), and billing details.
  • Service Data: Reservation details, event titles, times, and participant information managed through the platform.
  • Third-Party Data: When you connect external calendars (e.g., Microsoft Outlook, Google Calendar), we collect authentication tokens and calendar event data strictly required to sync your schedule.
  • Usage Data: IP addresses, browser types, device information, and interaction metrics on our website.

4. How We Use Your Information & Lawful Basis

Under the GDPR, we must have a lawful basis for processing your data. We use your data to:

  • Provide, operate, and maintain the platform (Lawful basis: Contractual Necessity).
  • Sync calendar events and manage resource bookings (Lawful basis: Contractual Necessity).
  • Process payments and send transactional emails (Lawful basis: Contractual Necessity and Legal Obligation).
  • Improve our Service and analyze usage trends (Lawful basis: Legitimate Interest).
  • Comply with legal and tax obligations (Lawful basis: Legal Obligation).

5. Important Note Regarding Third-Party API Data

Prime Calendar's use and transfer to any other app of information received from third-party APIs (including Google APIs or Microsoft Graph APIs) will strictly adhere to their respective User Data Policies, including the Limited Use requirements. We only access the calendar data necessary to provide scheduling functionality, and we do not use this data to serve advertisements.

6. Cookies and Tracking Technologies

We use cookies and similar tracking technologies to keep you logged in, remember your preferences, and analyze site traffic. You can manage your cookie preferences through your browser settings. For more information, please see our Cookie Policy.

7. Data Sharing and Disclosure

We do not sell, rent, or trade your personal data. We may share data with:

  • Service Providers: Third-party vendors who assist us, such as cloud hosting, payment processors, and transactional email delivery services. These providers are bound by strict data processing agreements.
  • Business Transfers: In the event of a merger, acquisition, or sale of assets, your data may be transferred as a business asset.
  • Legal Authorities: If required by law, court order, or to protect our legal rights.

8. International Data Transfers

Some of our service providers may process data outside the European Economic Area (EEA). When we transfer your data internationally, we ensure it is protected by appropriate safeguards, such as the European Commission's Standard Contractual Clauses (SCCs) or adequacy decisions.

9. Data Retention

We retain your personal data and calendar sync data only for as long as your account is active or as necessary to provide the Service. If you delete your account, all associated personal and schedule data will be securely and permanently deleted from our servers within five (5) days.

10. Your GDPR Rights

If you are located in the European Economic Area (EEA), you have the right to:

  • Access, correct, or delete your personal data.
  • Object to or restrict data processing.
  • Request data portability (receive your data in a structured, machine-readable format).
  • Withdraw consent for connected third-party integrations at any time (via your account settings).
  • Lodge a complaint with your local data protection authority (in Hungary, the NAIH).

To exercise these rights, contact us at info@primecal.eu.

11. Security

We implement industry-standard security measures, including encryption in transit (HTTPS/TLS) and at rest, to protect your data. However, no method of transmission over the Internet or electronic storage is 100% secure, and we cannot guarantee absolute security.

12. Children's Privacy

The Service is not intended for individuals under the age of 16. We do not knowingly collect personal information from children. If we become aware that we have collected such data, we will delete it immediately.

13. Changes to This Policy

We may update this policy periodically to reflect changes in our practices or the law. We will notify you of significant changes via email or a prominent notice on our website before the changes take effect.

14. Contact Us

The data controller responsible for your personal information is:

Péter Cselőtei
Budapest, Hungary
Email: info@primecal.eu