T3, 14/04/2026
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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

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

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