Privacy Policy

1. Overview & Our Commitment

Welcome to Essentia Ex Libris ("Essentia", "we", "our", or "us"). Essentia is a curated microlearning and structured knowledge platform designed to distill non-fiction literature and world-class ideas into actionable insight cards.

We respect your personal privacy and are committed to safeguarding your information. This Privacy Policy outlines what information we collect when you use our web platform and Android mobile application, how we process that information, and your rights—including how to request full deletion of your account and personal data in accordance with Google Play Developer Policies and global data protection standards (including GDPR and CCPA).

2. Information We Collect

We collect only the minimum data required to deliver a personalized, seamless learning experience:

• Account Credentials: When you register or log in using email or Google Sign-In, we collect your name, email address, profile picture (avatar), and secure password hash.
• Learning Habits & Library Data: Cards you bookmark ("Stash"), reading completion status, reading duration, personal reflection notes, and daily learning targets.
• User Preferences: Your preferred content language (English or Indonesian) and selected topic interests (e.g., Psychology, Philosophy, Productivity).
• Technical & Diagnostic Data: IP address, browser type, operating system version, and general error logs collected to diagnose performance issues and prevent malicious attacks.

3. How We Use Your Information

We process your personal information strictly for the following purposes:

• Authenticating you securely and maintaining your login session across devices.
• Synchronizing your saved stashes, notes, and reading streak across web and Android clients.
• Generating a personalized feed ("For You") tailored to your selected interest topics.
• Ensuring app stability, fixing errors, and optimizing page transition performance.

🔒 Zero Data Selling: We do NOT sell, rent, monetize, or trade your personal data, reading logs, or contact details to third-party data brokers, marketers, or advertisers under any circumstances.

4. Third-Party Integrations

Essentia utilizes trusted third-party providers for specific infrastructure functionalities:

• Google Identity Services (OAuth 2.0): Allows one-click authentication. When you sign in with Google, Google provides your public name, verified email, and profile avatar. You can manage or revoke Essentia's access anytime in your Google Account Security Settings.

5. Account & Data Deletion (Google Play Compliance)

In strict accordance with the Google Play Account Deletion Policy, users have the complete right to permanently delete their account and all associated personal data at any time.

6. Children's Privacy

Essentia is not designed for or intentionally directed to children under the age of 13. We do not knowingly collect personal identifiable information from children under 13. If you believe a child has provided us with personal information, please contact us immediately.

7. Contact & Data Protection Inquiries

If you have questions, feedback, or data privacy requests regarding this policy, please reach out to: