Privacy Policy

Privacy Policy – FluSpeak Last updated: April 2026

1. Information We Collect When you use FluSpeak, we collect:

• Account information: username, email address
• Voice recordings: audio during practice sessions (sent to OpenAI Whisper and Microsoft Azure Speech, not stored permanently)
• Practice submissions: Speaking and Writing content submitted for teacher review
• Usage data: practice history, scores, session duration, progress data
• Device token: for push notifications (Firebase Cloud Messaging)

2. How We Use Your Information

• To provide AI-powered speaking practice and feedback
• To share submissions with teachers at Tri Duc English Center for grading
• To track learning progress over time
• To send push notifications about practice reminders and assignment updates
• To send account-related emails (OTP verification, password reset)

3. Third-Party Services

• OpenAI API: speech-to-text (Whisper) and AI feedback (GPT-4o-mini). Audio processed in real time, not stored permanently.
• Microsoft Azure Speech: pronunciation assessment. Audio processed in real time, not stored permanently.
• Firebase (Google): push notifications and analytics
• Apple App Store: in-app purchases and subscription management

4. Data Sharing

• Voice recordings and submissions are shared with Tri Duc English Center teachers for educational purposes only
• We do not sell your data to third parties

5. Data Storage Your data is stored on a secure server in Vietnam. Industry-standard security measures apply.

6. Data Retention

• Account data retained while account is active
• Voice recordings deleted immediately after processing
• Practice history retained for progress tracking
• Submissions retained for teacher review

7. Your Rights

• Access your personal data
• Request deletion of account and data
• Opt out of non-essential communications

8. Children’s Privacy FluSpeak is not intended for children under 13.

9. Contact Us

• Email: tuananh605b@gmail.com
• Address: 45 Văn Cao, Ecorivers, Tân Hưng, Hải Phòng

10. Changes We may update this policy and will notify you of significant changes via email or in-app notification.