Privacy Policy

Last Updated: January 2026

AEYEON Technologies Private Limited ("Company", "we", "our", "us") operates the SparkKing mobile application ("App"). This Privacy Policy informs you of our policies regarding the collection, use, and disclosure of personal data when you use our App.

1. Information We Collect

Personal Information:

• Name and email address (for account creation)
• Language preferences and learning progress
• Profile type (student, professional, etc.)

Voice Data:

• Voice recordings during pronunciation practice
• Speech-to-text transcriptions for conversation practice
• Note: Voice data is processed in real-time and NOT permanently stored

Usage Data:

• Lesson completion and practice sessions
• App usage statistics and preferences

Device Information:

• Device type and operating system
• Unique device identifiers

2. How We Use Your Information

• To provide and maintain our service
• To personalize your learning experience
• To track your progress and achievements
• To process subscription payments
• To send notifications (with your consent)
• To improve our App and services

3. Third-Party Services

We use the following services to provide our App:

• Supabase (database and authentication)
• Microsoft Azure (speech recognition)
• Google Cloud (text-to-speech)
• RevenueCat (subscription management and payment processing)

These services have their own privacy policies governing data handling.

4. Data Security

We implement industry-standard security measures including:

• Encrypted data transmission (HTTPS/TLS)
• Secure authentication tokens
• Server-side data protection
• Code obfuscation and protection

5. Children's Privacy

SparkKing is suitable for users of all ages. For users under 13 years of age, parental consent is required. We do not knowingly collect personal data from children without parental consent.

6. Your Rights

You have the right to:

• Access your personal data
• Request data correction or deletion
• Update your information
• Opt-out of marketing communications
• Export your data

7. Data Retention

We retain your data as long as your account is active. Upon account deletion request, we will remove your personal data within 30 days, except where retention is required by law.

8. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last Updated" date.

9. Contact Us

For privacy concerns or questions, contact us at:

AEYEON Technologies Private Limited
Email: privacy@sparkking.org
Website: www.sparkking.org