Privacy Policy

Russian Cases – Learn Russian Grammar the Fun Way
Effective Date: February 22, 2025

Russian Cases ("we," "us," or "our") operates the Russian Cases mobile application and website (https://russicase.com) (the "Service").

This Privacy Policy explains how we collect, use, disclose, and safeguard information when you use our Service distributed via Google Play.

By using the Service, you agree to this Privacy Policy.

1. Information We Collect

A. Information You Provide

When you create an account or use certain features, we may collect:

  • Email address
  • Authentication credentials (via Supabase Auth)
  • Google account information (if you sign in with Google)
  • Feedback messages submitted through the app
  • Responses to surveys or in-app polls

We do not collect your name, age, or profile photo unless you choose to provide it through a third-party login provider.

B. Information Collected Automatically

When you use the Service, we automatically collect:

  • IP address
  • Approximate location derived from IP (e.g., country)
  • Device type and operating system
  • Device identifiers (including Advertising ID, where applicable)
  • App version
  • Usage activity (e.g., lessons completed, interactions)
  • Crash reports and diagnostic information

We use this data to improve performance, detect abuse, and optimize user experience (including language localization).

C. Authentication & Account Data

We use Supabase Auth to manage accounts, including:

  • Email/password login
  • Google OAuth login

User progress and educational activity are stored in Supabase Database hosted in the United States.

D. Analytics

We use:

  • Google Analytics
  • PostHog

These tools collect usage data, device information, and app interaction data to help us understand user behavior and improve the Service.

Analytics providers may use cookies, device identifiers, or similar technologies.

E. Advertising

Free users may see advertisements within the app.

We may use third-party advertising networks that collect:

  • Device identifiers (including Advertising ID)
  • Usage data
  • Approximate location
  • Interaction data

These advertising partners may use this data to serve personalized or contextual ads.

You can limit ad personalization through your device settings (Android Advertising ID settings).

F. Payments

If you purchase a subscription:

  • Payments are processed via Google Play Billing.
  • We do not collect or store credit card details.
  • We receive confirmation of subscription status and transaction information from Google.

G. Emails

We use Resend to send:

  • Transactional emails (account verification, password reset)
  • Marketing emails (only with your consent)
  • Optional weekly reminders

You may unsubscribe from marketing emails at any time using the link provided in those emails.

2. How We Use Information

We use information to:

  • Provide and maintain the Service
  • Store user progress
  • Enable cross-device synchronization
  • Respond to support requests
  • Send transactional communications
  • Send marketing communications (with consent)
  • Display advertisements
  • Analyze usage trends
  • Improve features and content
  • Prevent fraud and abuse
  • Comply with legal obligations

We do not sell your personal data.

3. Data Sharing

We may share information with:

  • Supabase (authentication and database hosting, US)
  • Google (Analytics, Play Billing)
  • PostHog (product analytics)
  • Resend (email delivery)
  • Advertising partners
  • Cloud hosting providers
  • Legal authorities when required by law

We require service providers to process personal data only on our instructions and in compliance with applicable law.

4. International Data Transfers

Your information may be processed in the United States and other countries where our service providers operate.

If you are located in the European Economic Area (EEA), we rely on appropriate safeguards such as Standard Contractual Clauses where required.

5. Data Retention

We retain:

  • Account data while your account is active
  • Progress data while your account is active
  • Analytics data in aggregated or anonymized form
  • Transaction records as required by law

If you delete your account, we will permanently delete your personal data from our active systems, except where retention is required by law.

6. Account Deletion

You may delete your account directly within the app.

Upon deletion:

  • Your authentication credentials are removed
  • Your progress data is deleted
  • Your email is removed from our systems
  • Associated personal data is permanently deleted

Aggregated or anonymized data may be retained.

7. Your Rights

Depending on your location, you may have the right to:

  • Access your personal data
  • Correct inaccurate data
  • Request deletion
  • Withdraw consent
  • Object to processing
  • Request data portability

To exercise your rights, contact: privacy@russicase.com

8. Children's Privacy

The Service is intended for a general audience.

We do not knowingly collect personal information from children under 13. If we become aware that such data has been collected, we will delete it.

9. Security

We implement reasonable technical and organizational safeguards, including:

  • Encrypted HTTPS connections
  • Secure authentication systems
  • Access controls
  • Infrastructure-level protections provided by Supabase and hosting providers

However, no system can guarantee absolute security.

10. Third-Party Links

The Service may contain links to third-party websites. We are not responsible for their privacy practices.

11. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. Changes will be posted in the app or on our website with a revised effective date.

12. Contact Information

Russian Cases
Website: https://russicase.com
Email: privacy@russicase.com

Google Play Data Safety (What We Declare)

Based on our stack, we declare the following in the Google Play Data safety section:

Data Collected

  • Email address
  • Device identifiers (Advertising ID)
  • IP address
  • Approximate location
  • App activity
  • Diagnostics

Data Shared

  • Advertising networks
  • Analytics providers
  • Google Play Billing

Data Encryption

Yes (HTTPS)

Data Deletion

Yes (user can delete account in app)