Privacy Policy

Kotlin & Compose Guide

Effective date: (27.12.2025)

This Privacy Policy describes how Kotlin & Compose Guide (the “App”) collects, uses, and protects user information. The App is designed for educational purposes and complies with Google Play Developer Program Policies.

1. Information We Collect

The App collects only the data necessary to provide its core functionality.

Collected data may include:

- Learning progress (completed lessons, progress statistics);

- Favorite lessons;

- App preferences (such as selected language);

- Google account basic information (name and email), only if the user chooses to sign in with Google.

The App does NOT collect:

- Payment or financial information;

- Passwords or credentials;

- Precise location data;

- Contacts, messages, or media files;

- Sensitive or personal identifiers beyond what is stated above.

2. Purpose of Data Collection

Collected data is used exclusively to:

- Track learning progress;

- Synchronize progress across devices (when signed in);

- Improve user experience;

- Provide core educational features of the App.

Data is NOT used for advertising or marketing purposes.

3. Google Sign-In

The App supports Google Sign-In as an optional feature.

Google account data is used only for:

- User authentication;

- Progress and favorites synchronization.

Authentication is handled securely using Google-provided services.

4. Third-Party Services

The App provides access to Kotlin Playground through an embedded web view (WebView).

Important notes:

- Kotlin Playground is a third-party service;

- The App does not send personal user data to Kotlin Playground;

- Any interaction within Kotlin Playground is governed by its own privacy policy.

5. Data Sharing

The App does not sell, share, or transfer user data to third parties.

User data is disclosed only if required by applicable law.

6. Data Security

We take data protection seriously and apply appropriate security measures, including:

- Encrypted data transmission (HTTPS);

- Secure and encrypted local or remote storage;

- Restricted access to stored data.

All data is protected against unauthorized access, alteration, or disclosure.

7. User Control and Data Deletion

Users have full control over their data.

At any time, users can:

- Reset their learning progress;

- Sign out of their Google account;

- Stop using the App.

No personal data is retained beyond what is necessary for App functionality.

8. Children’s Privacy

The App is not intended for children under the age of 13.

We do not knowingly collect personal data from children. If such data is discovered, it will be deleted promptly.

9. Changes to This Privacy Policy

This Privacy Policy may be updated to reflect changes in the App or legal requirements.

The latest version will always be available via the App and its Google Play listing.

10. Contact Information

If you have any questions or concerns about this Privacy Policy, please contact us: