Privacy Policy

Last updated: April 26, 2025

1. Data Controller

The controller of your personal data is the owner of the VocabuLit application – Krzysztof Krysztofczyk (contact: [email protected]).

2. What data we collect

  • Account data – email, nickname, preferred language.
  • Learning materials – books, words, sentences, translations, and your answers during study sessions.
  • Analytical data – server logs, learning progress, cookie identifiers, statistics from tools like Google Analytics, Hotjar, etc.

3. Purposes and legal basis for processing

  • Performance of an online services contract (Art. 6(1)(b) GDPR).
  • Statistics and service improvement – our legitimate interest (Art. 6(1)(f) GDPR).
  • Sending email notifications (password reset, updates) – legitimate interest.
  • Accounting or tax obligations (if payments are introduced) – legal obligation.

4. Data retention period

We retain your account data until you delete your account or for 6 months from your last login. Backup data is erased within 30 days thereafter.

5. Data sharing

  • Hosting and email providers (e.g. Azure, SendGrid).
  • AI/translation providers (e.g. OpenAI) – only the content of submitted sentences; never your email.
  • Analytics tools (Google Analytics, Hotjar) – pseudonymous cookie identifiers.
  • Public authorities – only when required by law.

6. Cookies and analytics

The service uses cookies for the following purposes:

  1. maintaining login sessions,
  2. collecting anonymous statistics (Google Analytics, Hotjar).
You can manage cookies in your browser settings.

7. Your rights

  • access to your data,
  • rectification,
  • erasure (“right to be forgotten”),
  • restriction of processing,
  • objection to processing based on legitimate interest,
  • complaint to the Data Protection Authority.

8. Security

We use TLS encryption, regular backups, and restrict data access to authorized personnel only.

9. Changes to this document

Updates to this policy will be published on this page; significant changes will be communicated by email.

10. Contact

To exercise your rights or ask questions, contact us at [email protected].