Privacy Policy

Effective date: June 12, 2026

This Privacy Policy explains how we collect, use, and protect your information when you use our mobile application (the "App").

1. Information We Collect

We collect only the data necessary to provide, maintain, and improve the App.

1.1 Information You Provide

You may provide information when:

  • contacting support

This may include:

  • email address
  • any information you include in communications

The App does not currently offer account registration or sign-in.

1.2 Automatically Collected Information

When you use the App, we may automatically collect:

  • device type and model
  • operating system and version
  • app version
  • language and region
  • interaction data (e.g., screens viewed, actions taken)
  • anonymous app or device identifiers generated for analytics
  • diagnostic and crash-related data
  • approximate IP-based location (country/region level)

This data is used for analytics, diagnostics, product improvement, and App functionality. We do not use it for third-party advertising or tracking.

1.3 Analytics

We use PostHog to understand how users interact with the App.

PostHog may collect:

  • usage events (e.g., button taps, feature usage)
  • session data
  • technical device data

We configure analytics to avoid collecting unnecessary personal data and do not link analytics data to an in-app account.

1.4 Purchase Information

All payments are processed through Apple Inc. using In-App Purchases.

We do not collect or store:

  • credit card details
  • billing addresses

We may receive:

  • subscription status
  • transaction confirmations

1.5 Remote Content Requests

The App downloads question data and media from our content host. These requests may be processed by hosting infrastructure providers and may include standard network metadata such as IP address, request time, and requested file path.

1.6 Data Stored Locally

We store certain data locally on your device, including:

  • learning progress
  • completed questions
  • settings and preferences

2. How We Use Information

We use collected data to:

  • provide core App functionality
  • personalize user experience
  • track progress and performance
  • improve features and usability
  • monitor performance and fix bugs
  • manage subscriptions
  • respond to support requests

3. Data Sharing

We do not sell your personal data.

We may share limited data:

  • with analytics providers (e.g., PostHog)
  • with infrastructure providers (e.g., hosting and content delivery services)
  • with Apple for In-App Purchase processing
  • if required by law
  • to protect legal rights

4. Data Storage and Transfers

Data may be processed on servers located outside your country.

We take appropriate safeguards to ensure compliance with applicable laws, including GDPR.

5. Data Retention

We retain data only as long as necessary:

  • analytics data - aggregated and retained for product improvement
  • support communications - as needed
  • local data - stored on your device until deleted

6. Your Rights (GDPR)

If you are located in the European Economic Area, you have rights under the General Data Protection Regulation:

  • access your data
  • correct inaccurate data
  • request deletion
  • restrict processing
  • object to processing
  • data portability

To exercise your rights, contact us.

7. Children's Privacy

The App is not intended for children under 13.

We do not knowingly collect personal data from children.

8. Security

We implement reasonable security measures to protect data.

However, no system is completely secure.

9. Changes to This Policy

We may update this Privacy Policy from time to time.

Updates will be posted in the App or on our website.

10. Contact

If you have questions about this Privacy Policy:

Email: andrey.karelin@icloud.com