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Caltsu

Privacy Policy

Last updated: 2025-09-09

DataDux Oy ("we", "our", or "us") operates the calendar synchronization platform ("Service"). We respect your privacy and are committed to protecting your personal data.

1. Who We Are

DataDux Oy
Huopalahdentie 24
00350 Helsinki
Finland

If you have any questions about this Privacy Policy, you can contact us at:
privacy@caltsu.com

2. Information We Collect

We only collect the data needed to provide and improve our Service:

  • Account Data: Name, email address, and authentication tokens when you connect calendars.
  • Calendar Metadata: Event times, titles, and details based on your sync settings.
  • Usage Data: Logs of sync operations, error events, and performance metrics.

We do not sell or share your data with third parties for marketing purposes.

3. How We Use Your Data

  • To provide and maintain the Service
  • To sync events between calendars based on your rules
  • To improve reliability, fix bugs, and optimize performance
  • To communicate updates, outages, or security issues

4. Legal Basis for Processing (GDPR)

We process your data under:

  • Contractual necessity (providing the Service)
  • Legitimate interest (improving and securing the Service)
  • Consent (for marketing communications, where applicable)

5. Data Retention

  • Calendar event data is cached only as long as needed for sync.
  • Account data is kept until you delete your account.
  • Logs are stored for up to 90 days for troubleshooting.

6. Data Sharing & Transfers

  • We use trusted sub-processors (e.g., cloud hosting) under strict data protection agreements.
  • Data may be transferred outside the EU but always with GDPR safeguards in place.

7. Your Rights

Under the GDPR, you have the right to:

  • Access your data
  • Correct or delete your data
  • Restrict or object to processing
  • Data portability

Contact us at privacy@datadux.fi to exercise your rights.

8. Security

We use encryption (TLS, at-rest encryption) and strict access controls to protect your data.

9. Changes

We may update this policy from time to time. We will notify you of significant changes via email or the Service.

Effective date: 2025-09-09