Privacy Policy
Last Updated: February 6, 2026
Kronoss ("we", "us", or "our") operates an online language school platform accessible at kronoss.education and app.kronoss.education. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our platform.
1. Information We Collect
1.1 Personal Data
When you register for an account or use our services, we may collect the following personal information:
- Full name (first name and last name)
- Email address
- Phone number
- Date of birth
- Profile photo/avatar
- Preferred language
- Telegram username and ID (optional, for notifications)
1.2 Children's Data
If you use our platform as a parent, you may provide information about your children, including:
- Child's first and last name
- Date of birth and age
- Profile photo/avatar
- Notes and additional details
We process children's data only under the authority of the parent or legal guardian who manages the child's profile. We do not knowingly collect personal data from children without parental consent.
1.3 Educational Data
As part of our educational services, we collect:
- Placement test and speaking test results
- Assessment scores and grades
- Course progress and level advancement
- Lesson attendance records
- Teacher feedback and comments
- Subject enrollment information
1.4 Financial Data
When you make purchases on our platform, we collect:
- Lesson package purchases and transaction history
- Account balance information
- Payment method details (processed securely by Revolut)
We do not store your full credit card numbers or CVV codes. All payment processing is handled securely by Revolut, our third-party payment processor.
1.5 Technical Data
We automatically collect certain technical information when you visit our website:
- IP address and approximate location
- Browser type and version
- Device type and operating system
- Pages visited and time spent on pages
- Referring website addresses
- Click patterns and navigation behavior
2. How We Use Your Information
We use the information we collect for the following purposes:
- Providing and maintaining our educational services
- Processing lesson bookings and managing schedules
- Processing payments and managing account balances
- Sending transactional communications (via Mailgun for email and Twilio for SMS)
- Verifying your identity and authenticating your account
- Tracking educational progress and generating assessments
- Improving our platform and user experience
- Analyzing website usage and performance
- Sending marketing communications (with your consent)
- Complying with legal obligations
3. Third-Party Services
We use the following third-party services to operate our platform:
Revolut — Payment processing for lesson packages and subscriptions
Google Authentication — Secure account sign-in via Google OAuth
Supabase — Database hosting and data storage
Mailgun — Transactional and notification emails
Twilio — SMS notifications and communications
Google Analytics — Website traffic and usage analytics
Google Tag Manager — Tag management for analytics and marketing
Hotjar — User behavior analytics and heatmaps
Facebook Pixel — Advertising measurement and optimization
Each third-party service has its own privacy policy governing their use of your data. We encourage you to review their respective privacy policies.
4. Cookies and Tracking Technologies
We use cookies and similar tracking technologies to enhance your experience on our platform. Cookies are categorized as follows:
- Strictly Necessary Cookies — Essential for platform functionality, including authentication tokens, active user role, and language preferences. These cookies cannot be disabled.
- Analytics Cookies — Used by Google Analytics and Hotjar to understand how visitors interact with our website, helping us improve performance and user experience.
- Marketing Cookies — Used by Facebook Pixel and Google Tag Manager for advertising measurement and to deliver relevant advertisements.
- Personalization Cookies — Enable the website to remember your preferences, such as language settings, theme preferences, and display options.
You can manage your cookie preferences at any time through the "Cookies Settings" option in our website footer.
5. Data Retention
We retain your personal data for as long as your account is active or as needed to provide you services. Specifically:
- Account data is retained for the duration of your active account
- Educational records are retained for the duration of your enrollment
- Financial transaction records are retained as required by applicable tax and accounting laws
- Technical and analytics data is retained for up to 26 months
When you delete your account, we will delete or anonymize your personal data within 30 days, except where retention is required by law.
6. Data Security
We implement appropriate technical and organizational measures to protect your personal data, including:
- Encrypted data transmission using HTTPS/TLS
- Secure JWT-based authentication with token refresh mechanisms
- Secure cookie storage with HttpOnly and Secure flags in production
- Role-based access control limiting data access to authorized users
- Regular security reviews and updates
7. Your Rights
Depending on your jurisdiction, you may have the following rights regarding your personal data:
- Right to access your personal data
- Right to rectify inaccurate or incomplete data
- Right to erase your personal data ("right to be forgotten")
- Right to restrict the processing of your data
- Right to data portability
- Right to object to processing
- Right to withdraw consent at any time
To exercise any of these rights, please contact us at the email address provided below.
8. International Data Transfers
Your data may be transferred to and processed in countries other than your country of residence. We ensure that appropriate safeguards are in place to protect your data in compliance with applicable data protection laws.
9. Changes to This Privacy Policy
We may update this Privacy Policy from time to time. We will notify you of any material changes by posting the updated policy on this page and updating the "Last Updated" date. We encourage you to review this Privacy Policy periodically.
10. Contact Us
If you have any questions or concerns about this Privacy Policy or our data practices, please contact us at:
support@kronoss.education