📚 VoNo
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Privacy Policy

Your privacy is our priority. Learn how we protect your data.

🔒 VoNo is designed with privacy-first principles. We use device-based authentication and minimize data collection to protect your privacy.

1. Information We Collect

1.1 Vocabulary Data

We collect and store the vocabulary words, phrases, meanings, and explanations that you voluntarily add to the App. This data is essential for providing the core functionality of VoNo.

1.2 Device Information

We collect your device ID for authentication and data synchronization purposes. We do not collect personal information such as names, email addresses, or phone numbers.

1.3 Usage Analytics

We may collect anonymous usage statistics to improve the App's performance and user experience. This includes:

  • App performance metrics
  • Feature usage patterns
  • Crash reports and error logs

2. How We Use Your Information

We use the collected information solely for the following purposes:

  • Providing vocabulary learning services
  • Generating personalized flashcards and stories
  • Synchronizing your data across devices
  • Improving App functionality and user experience
  • Providing customer support

3. Data Storage and Security

3.1 Cloud Storage

Your vocabulary data is stored securely using Google Firebase Firestore, which provides enterprise-grade security and encryption.

3.2 Local Storage

Data is also stored locally on your device using Hive storage for offline access and improved performance.

3.3 Encryption

All data is encrypted in transit and at rest using industry-standard encryption protocols.

4. Data Sharing and Third Parties

We do not sell, trade, or share your personal vocabulary data with third parties. We may share anonymous, aggregated data for the following purposes:

  • App performance analytics
  • Research and development
  • Service improvement

4.1 Service Providers

We use trusted third-party services to provide our App functionality:

  • Google Firebase (data storage and authentication)
  • App Store/Google Play (app distribution)

5. Your Rights and Control

5.1 Data Access

You can access all your vocabulary data through the App at any time.

5.2 Data Deletion

You can delete your vocabulary data at any time through the App settings. Deletion will remove data from both cloud and local storage.

5.3 Data Export

You can export your vocabulary data in a standard format for backup or migration purposes.

6. Children's Privacy

VoNo is designed for users of all ages. 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.

7. International Data Transfers

Your data may be transferred to and processed in countries other than your own. We ensure appropriate safeguards are in place to protect your data during international transfers.

8. Data Retention

We retain your vocabulary data for as long as you use the App. If you delete your account or uninstall the App, we will delete your data within 30 days, unless required to retain it for legal or regulatory purposes.

9. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any material changes through the App or our website. Your continued use of the App after changes constitutes acceptance of the updated policy.

10. Contact Us

If you have any questions about this Privacy Policy or our data practices, please contact us through the App or visit our website. We are committed to addressing your privacy concerns promptly.

11. Compliance

This Privacy Policy is designed to comply with applicable privacy laws and regulations, including GDPR, CCPA, and other regional privacy requirements.

Last updated: September 2025