Last Updated: October 22, 2025

Welcome to Vinno Travel English, a mobile application developed and operated by Vinno School (“we,” “our,” or “us”). Your privacy is very important to us. This Privacy Policy explains how we collect, use, disclose, and protect your information when you use our Android application Vinno Travel English (“App”). By using our App, you agree to the collection and use of information in accordance with this policy. If you do not agree to abide by these Terms and Conditions, you are not authorized to use, access, or participate in the Service.

1. About the App

• Listening and speaking practice modules
• Vocabulary lessons
• Pronunciation feedback using microphone access
• Login via Google using Supabase authentication
• Access to free and premium content via vinnoschool.com

2. Information We Collect

a. Information You Provide

• Account Information: Name, email, unique Google ID
• Learning Data: Progress, completed lessons, vocabulary, scores
• Support Requests: Emails, inquiries, messages stored temporarily

b. Information Collected Automatically

• Device Info: Model, OS version, installation ID
• Usage Data: Anonymous feature usage, crash logs, session duration
• Internet Logs: IP addresses and connection timestamps for security

c. Microphone Access

• Voice data analyzed temporarily for pronunciation feedback
• Audio recordings are deleted immediately after evaluation
• No use for marketing, third-party sharing, or biometric analysis

3. How We Use Your Information

• Provide Core Services: login, sync lessons, temporary speech evaluation
• Improve User Experience: analyze usage, detect and fix bugs
• Personalize Learning: save lesson progress, quiz results, learning level
• Communicate: respond to support emails, send notifications (if opted-in)
• Ensure Security: prevent unauthorized access, monitor fraudulent activity

We never sell or rent your personal data.

4. Data Storage and Retention

• Account data stored securely in Supabase servers
• Learning data retained while account is active
• Voice data processed temporarily and deleted immediately
• Accounts and data can be deleted via contact@vinnoschool.com

5. Subscriptions and Purchases

6. Data Sharing and Third-Party Services

a. Supabase

Handles authentication, database, and analytics. Limited personal data processed per their policy.

b. Google

Handles Google Sign-In. Governed by Google Privacy Policy. No sharing with unrelated third parties.

7. Data Security

• Encrypted HTTPS/TLS communication
• Secure authentication tokens via Supabase
• Access control and audits
• No storage of raw passwords or payment info
• Systems monitored continuously; no 100% guarantee

8. Cookies and Tracking

The app itself does not use cookies. Supabase analytics may use anonymized session management technologies for performance purposes only.

9. User Rights and Controls

• Access: request a copy of personal data
• Correction: request updates to inaccurate data
• Deletion: request account deletion
• Withdrawal of Consent: stop using app or disable permissions
• Portability: request machine-readable copy of data

Contact contact@vinnoschool.com to exercise rights.

10. Children’s Privacy

Designed for users 13+. No data is knowingly collected from children under 13. Parents may request deletion via contact@vinnoschool.com.

11. International Data Transfers

By using the app, you consent to transfer of data to Supabase servers outside your country. Transfers comply with GDPR and other data-protection laws.

12. Data Retention Policy

Type of Data	Retention Period	Purpose
Account Information	Until account deletion	To maintain login access
Learning Progress	Until account deletion	To personalize lessons
Voice Input	Temporary (not stored)	Real-time pronunciation analysis
Analytics Data	Aggregated only	Service improvement
Support Emails	Up to 6 months	Customer assistance

Once data is no longer needed, it is securely deleted or anonymized.

13. Your Consent

• Collection and temporary processing of voice data
• Use of Supabase and Google services for authentication
• Collection of basic analytics to improve performance
• Withdrawal of consent possible by uninstalling app or contacting us

14. External Links

The app may link to external sites (e.g., vinnoschool.com). We are not responsible for their privacy practices. Review their policies before sharing personal info.

15. Updates to This Privacy Policy

We may update this Privacy Policy periodically. Updates will be reflected in the “Last Updated” date and announced via in-app notifications or our website.

16. Contact Information

• Email: contact@vinnoschool.com
• Website: https://vinnoschool.com
• Developer: Vinno School

17. Legal Basis for Processing (GDPR)

• Contractual necessity: provide access to account and app content
• Legitimate interest: analyze app usage and improve services
• Consent: for microphone access and optional analytics
• Right to withdraw consent or object at any time

18. Governing Law

This Privacy Policy is governed by the laws of Bangladesh. Users from other countries agree to the jurisdiction of Bangladesh courts for related matters.

19. Summary for Users

• We respect your privacy.
• We only collect what is needed for login, learning, and microphone features.
• Voice data is temporary and never stored long-term.
• Payments occur only on our website, not in the app.
• You can delete your account or request data removal anytime.
• We do not sell or misuse your data.

© Vinno School — Vinno Travel English. Effective October 22, 2025.