Privacy Policy for Go Streak

1. General Provisions

1.1. This Privacy Policy (hereinafter referred to as the "Policy") governs the processing of personal data when using the "Go Streak" mobile application (hereinafter referred to as the "Application").
1.2. The operator of personal data is an individual — the developer of the Application (hereinafter referred to as the "Operator"). Contact for inquiries: support@gostreak.ru.
1.3. The Policy is drawn up in accordance with applicable data protection laws, including the requirements of Apple App Store Review Guidelines §5.1 and the Google Play Data Safety section.

2. Personal Data We Collect

Category	Specific Data	Purpose
Account Data	Email, username/nickname, social login identifiers (Yandex ID, Apple ID, Google ID)	For registration and authentication
Technical Data	IP address, device model, OS version, FCM/APNs push token	For security and notification delivery
Habit Data	List of habits, completion dates, streak statistics	For core tracker functionality
Logs & Metrics	App Metrica events appmetrica.yandex.com	For analytics and troubleshooting
Potentially in the future	Profile photo	Will be processed only after obtaining explicit user consent

We do not collect health data, precise geolocation, contacts, or payment details.

3. Authentication Methods

Email / password (stored encrypted using BCrypt).
Yandex ID (OAuth 2.0) yandex.com.
Google Identity developers.google.com.
Sign in with Apple developer.apple.com.

During authorization, third-party providers share only a minimal profile (ID, email, name, or its "hidden" equivalent).

4. Purposes and Legal Basis for Processing

Purpose	Legal Basis
Providing core tracker features	Performance of the user agreement/contract
Habit reminders, notifications about friends' activities	User consent for push notifications (Apple Guideline 5.1.1)
Analytics and quality improvement	Legitimate interest of the Operator (anonymized App Metrica data)
Compliance with applicable laws	Legal obligation

5. Data Storage and Protection

Servers and databases are located in the Russian Federation.
Access to data is restricted on a need-to-know basis.
Habit data is stored indefinitely as it is core to the service. It is anonymized after account deletion.

6. Disclosure to Third Parties

Recipient	Data Shared	Purpose
Yandex App Metrica appmetrica.yandex.com	Usage events (device ID, aggregated metrics)	Analytics
Firebase Cloud Messaging firebase.google.com	Push token	Notification delivery
Social login providers (Apple, Google, Yandex)	Login fact, account ID	Authentication

Disclosure is governed by data processing agreements (DPAs) with the respective services.

7. User Rights

You have the right to:

Access information about the processing of your data.
Request correction of inaccurate data.
Withdraw consent and delete your account: The "Delete Account" button is available in the app (Settings → Delete Account). Deletion is immediate and cannot be undone.
Contact the Operator at support@gostreak.ru with any questions.

8. Age Restrictions

The Application is intended for users aged 13 and over. It does not contain content directed at children under 13, in line with COPPA and Google Play Families Policy requirements.

9. Cookies and Trackers

Cookies are not used in mobile clients. The website gostreak.ru uses cookies only for authorization and App Metrica analytics; users can disable them in their browser settings.

10. Policy Updates

Changes to this Privacy Policy will be published on https://gostreak.ru/privacy-policy. The new version takes effect upon publication. If changes affect the scope of data or purposes of processing, we will additionally show a banner in the application.

11. Contact Us

For any questions, you can contact us at: support@gostreak.ru