Privacy Policy
Last updated: January 31, 2026
1. Introduction
This Privacy Policy describes how Verbium ("we", "us", or "our") collects, uses, and shares information about you when you use our vocabulary learning application and services (collectively, the "Service").
2. Information We Collect
2.1 Information You Provide
- Account Information: When you sign in using Google or Apple, we receive your name, email address, and profile picture (if available).
- Learning Data: Your vocabulary cards, decks, custom notes, tags, and learning progress.
2.2 Information Collected Automatically
- Usage Data: Information about how you use the Service, including review sessions, ratings, and learning statistics.
- Device Information: Basic device information such as device type, operating system, and app version.
3. How We Use Your Information
We use the information we collect to:
- Provide, maintain, and improve the Service
- Personalize your learning experience using the FSRS spaced repetition algorithm
- Sync your learning progress across devices
- Communicate with you about the Service (e.g., updates, support)
- Ensure the security and integrity of the Service
4. Data Storage and Security
Your data is stored securely on our servers. We implement appropriate technical and organizational measures to protect your personal information against unauthorized access, alteration, disclosure, or destruction.
5. Data Sharing
We do not sell, trade, or rent your personal information to third parties. We may share your information only in the following circumstances:
- Service Providers: With third-party service providers who help us operate the Service (e.g., hosting, analytics), under strict confidentiality agreements.
- Legal Requirements: When required by law or to protect our rights, safety, or property.
- Business Transfers: In connection with a merger, acquisition, or sale of assets.
6. Your Rights
You have the right to:
- Access: Request a copy of your personal data
- Correction: Request correction of inaccurate data
- Deletion: Delete your account and associated data at any time through the app settings
- Export: Export your learning data in a portable format
7. Data Retention
We retain your personal information for as long as your account is active or as needed to provide you with the Service. When you delete your account, we will delete or anonymize your personal information within 30 days, except where we are required to retain it for legal purposes.
8. Children's Privacy
The Service is not intended for children under 13. We do not knowingly collect personal information from children under 13. If you believe we have collected information from a child under 13, please contact us immediately.
9. International Data Transfers
Your information may be transferred to and processed in countries other than your country of residence. We ensure appropriate safeguards are in place for such transfers.
10. Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last updated" date.
11. Contact Us
If you have any questions about this Privacy Policy or our data practices, please contact us at privacy@verbium.app.