1. Introduction

Welcome to Sirius Mobile. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile application.

By using the App, you agree to the collection and use of information in accordance with this policy.

2. Information We Collect

2.1 Personal Information You Provide

2.2 Student Information

If you are a guardian, we collect and display information about your associated students:

• Student names and identifiers
• Enrollment status and group assignments
• Academic schedules and class information
• Grade reports and academic progress
• School notifications and announcements
• Contract information and signing status

Note: Student information is provided by your educational institution. We act as a data processor on behalf of the educational institution.

2.3 Device and Technical Information

3. How We Use Your Information

3.1 Essential App Functions

• Authentication: Identity verification using one-time authentication codes delivered via Telegram
• Profile Management: Account maintenance and display
• Educational Content: Schedules, grades, notifications, feedback
• Push Notifications: Important updates and communications
• Contract Management: Contract viewing and signing

3.2 App Improvement

• Analytics: Understanding usage to improve functionality
• Survey Analysis: Enhancing user experience
• Performance Monitoring: Identifying and resolving issues

Analytics data is collected to improve app functionality and does not include advertising or tracking across apps.

3.3 Communication

• Notifications: Schedule changes, grades, announcements
• Support: Inquiries via Telegram support channel

4. Third-Party Services

4.1 Firebase (Google LLC)

Firebase Analytics

• Purpose: App usage analytics and performance monitoring
• Data: User identifiers, language, server selection, usage events
• Retention: 14 months
• Privacy: firebase.google.com/support/privacy

Firebase Cloud Messaging (FCM)

• Purpose: Push notification delivery
• Data: Device registration token

We do not use data collected in the App for tracking users across apps or websites owned by other companies.

4.2 Telegram

• Purpose: Authentication and support
• Data: Phone number verification, authentication codes
• Privacy: telegram.org/privacy

4.3 Educational Institution Backend

• Purpose: Educational data (schedules, grades, notifications)
• Data: All student-related educational information
• Note: Your educational institution is the data controller for student data

5. Data Storage and Security

5.1 Local Storage

The App stores data locally on your device for offline access: authentication credentials, language preferences, cached educational data, and notification settings.

5.2 Security Measures

• Encrypted Transmission: All data uses HTTPS/TLS encryption
• Secure Authentication: Token-based authentication
• Session Management: Tokens invalidated upon logout
• Local Data Clearing: All data cleared upon logout

6. Data Retention

Authentication tokens are retained until logout or expiration. Local cached data persists until logout or manual clear. Analytics data is retained for 14 months per Firebase defaults. Server-side account data is retained while your account is active.

Data Deletion

Automatic: Local data is cleared upon logout or 401 Unauthorized response.

User-Initiated: Request account deletion via support channels. Personal data will be deleted or anonymized within 30 days.

7. Your Rights

Depending on your jurisdiction, you may have rights including:

• Access: Request a copy of your personal data
• Rectification: Request correction of inaccurate data
• Erasure: Request deletion of your data
• Portability: Receive data in machine-readable format
• Withdraw Consent: Withdraw consent at any time

To exercise these rights, contact us via the support channels below.

8. Children's Privacy

This App is designed for guardians to monitor children's educational progress. The App is not intended for direct use by children under 13 (or 16 in the EEA).

Student data displayed in the App is provided by educational institutions and accessed only by authorized guardians.

Parents may review or request deletion of their children's information via the educational institution or support channels.

9. Push Notifications

Push notifications inform you about:

• New grades for your students
• Schedule changes and updates
• School announcements
• Contract signing requirements

Managing Notifications

• iOS: Settings > Sirius Mobile > Notifications
• Android: Settings > Apps > Sirius Mobile > Notifications

10. International Data Transfers

Data may be processed on servers outside your country with appropriate security safeguards.

11. Changes to This Policy

We may update this Privacy Policy periodically. Changes will be posted in the App with an updated "Last Updated" date. Significant changes may be communicated via push notification.

12. Contact Us

For questions or requests regarding this Privacy Policy: