Welcome to CantoAI. This Privacy Policy explains how we collect, use, and protect your information when you use our Cantonese language learning application.
1. Information We Collect
Personal Information
Account Information: Email address, name (collected through Google OAuth)
Profile Information: First name, last name (optional)
Technical Information: Basic device and browser information for security and functionality
Learning Data
Voice Transcripts: Text transcriptions of your spoken Cantonese (audio files are NOT stored)
Conversation History: Your questions and our AI responses
Learning Progress: Session data, interaction logs, and performance metrics
Usage Analytics: How you interact with the app, response times, error logs
Important: We do NOT store your actual voice recordings. Only the transcribed text is saved to help improve your learning experience.
2. How We Use Your Information
Provide Services: Deliver personalized Cantonese language learning
Improve Learning: Track your progress and adapt lessons
Technical Support: Debug issues and improve app performance
Communication: Send important updates about the service
Analytics: Understand usage patterns to enhance the app
3. Information Sharing
We do NOT sell, trade, or rent your personal information. We may share data only in these limited circumstances:
Service Providers: With trusted partners who provide database, AI processing, and authentication services to help us operate the service
Legal Requirements: When required by law or to protect our rights
Business Transfers: In case of merger or acquisition (with notice)
4. Data Security
Encryption: All data is encrypted in transit and at rest
Access Controls: Limited access to authorized personnel only
Secure Infrastructure: Hosted on secure cloud platforms with enterprise-grade security
Regular Audits: Ongoing security monitoring and updates
5. Your Rights
You have the following rights regarding your data:
Access: View your account information and learning progress
Correction: Update your profile information
Deletion: Contact us to request account deletion
Data Export: Contact us to request a copy of your data
Opt-out: Unsubscribe from communications
6. Data Retention
Account Data: Retained while your account is active
Learning Data: Kept to provide personalized learning experiences
Account Deletion: When you delete your account, we will remove your personal data from our systems within 30 days
Third-Party Data: Some data may remain with third-party services (AI providers, speech services) according to their own retention policies
Legal Requirements: Some data may be retained longer if required by law or for legitimate business purposes
Backup Systems: Data may exist in backup systems for a limited time after deletion
7. Third-Party Services
We use trusted third-party services to provide our language learning features:
Cloud Infrastructure: Secure database and authentication services
AI Services: Language processing and response generation
Authentication: Secure user login and account management
Speech Services: Voice recognition and text-to-speech capabilities
These services have their own privacy policies and security measures. We ensure all partners meet our privacy and security standards.
8. International Transfers
Your data may be processed in countries other than your own. We ensure appropriate safeguards are in place for international data transfers.
9. Children's Privacy
Our service is not intended for children under 13. We do not knowingly collect personal information from children under 13. If you believe we have collected such information, please contact us immediately.
10. Changes to This 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 our website
Sending an email notification
Showing a notice in the app
11. Contact Us
If you have questions about this Privacy Policy or want to exercise your rights, please contact us: