Privacy Policy

Effective Date: January 1, 2025

Last Updated: January 1, 2025

1. Information We Collect

1.1 Account Information

When you create an account, we collect:

  • Email address (for authentication)
  • User ID (automatically generated)
  • Account creation date

1.2 Usage Data

We collect information about how you use our app:

  • Papers viewed and converted
  • Saved articles and reading history
  • Conversion requests and payment records
  • Device information and app performance data

1.3 Technical Data

We automatically collect:

  • IP address and location data
  • Device type, operating system, and app version
  • Error logs and crash reports
  • Usage analytics and performance metrics

2. How We Use Your Information

We use collected information to:

  • Provide PDF viewing and conversion services
  • Synchronize saved articles across your devices
  • Process payments for conversion services
  • Improve app performance and user experience
  • Provide customer support
  • Ensure security and prevent fraud

3. Data Storage and Security

3.1 Cloud Storage

We use Firebase (Google Cloud) for:

  • User authentication and account management
  • Storing converted HTML content
  • Synchronizing saved articles across devices
  • Analytics and crash reporting

3.2 Local Storage

Data stored locally on your device includes:

  • Cached PDF files for offline reading
  • Saved articles backup
  • User preferences and settings

3.3 Security Measures

We implement industry-standard security practices:

  • Data encryption in transit and at rest
  • Secure authentication protocols
  • Regular security audits and updates
  • Limited access to personal data

4. Data Sharing and Third Parties

4.1 Third-Party Services

We use the following third-party services:

  • Firebase/Google Cloud: Backend services, authentication, and storage
  • RevenueCat: Payment processing and subscription management
  • Mathpix: PDF to HTML conversion processing

4.2 Data Sharing

We do not sell, trade, or share your personal information with third parties except:

  • With your explicit consent
  • To comply with legal obligations
  • To protect our rights and prevent fraud
  • With service providers under strict confidentiality agreements

5. Your Rights and Choices

5.1 Access and Control

You have the right to:

  • Access your personal data
  • Correct inaccurate information
  • Delete your account and associated data
  • Export your saved articles
  • Opt out of non-essential data collection

5.2 Data Retention

We retain your data:

  • Account data: Until you delete your account
  • Conversion data: 1 year after last access
  • Usage analytics: 2 years maximum
  • Payment records: As required by law

6. Data Deletion

You can request deletion of your data by:

  • Using the "Delete Account" option in app settings
  • Contacting us directly at olekshodzko@gmail.com

Upon deletion request, we will remove your personal data within 30 days, except where retention is required by law.

7. Children's Privacy

Our app is not intended for children under 13. We do not knowingly collect personal information from children under 13. If we discover such information, we will delete it immediately.

8. 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 in accordance with this privacy policy.

9. Changes to This Policy

We may update this privacy policy from time to time. We will notify you of any significant changes through the app or by email. Your continued use of the app after changes constitutes acceptance of the updated policy.

10. Contact Information

For questions about this privacy policy or your data, contact us at:

  • Email: olekshodzko@gmail.com@gmail.com