Privacy Policy

App Name: Chubby Cat Teacher - Kids English Learning Target Age: Under 13 Last Updated: April 9, 2026

1. Overview

Chubby Cat Teacher ("we", "us", "our") prioritizes the privacy protection of children. This Privacy Policy explains what information our English learning app for children under 13 collects, how we use it, and how we protect it.

For Parents: This app complies with the U.S. Children's Online Privacy Protection Act (COPPA) and obtains parental consent before collecting personal information from children.

2. Information We Collect

2.1 Information Collected from Parents

With parental consent, we collect the following information:

  • Email address (for account authentication and subscription management)
  • Payment information (processed through Apple/Google payment systems; we do not store it directly)

2.2 Information Collected from Children

We collect the following information about your child:

  • Name (nickname) and age
  • Learning progress data (scores, study days, completed words and sentences)
  • App settings (volume, background music preferences)

2.3 Automatically Collected Information

We collect anonymous usage statistics only:

  • App launch count and feature usage frequency
  • Anonymized error logs (no personally identifiable information included)

Information We Do NOT Collect:

  • Name, date of birth, or address
  • Phone number
  • Photos or videos
  • Location data
  • Advertising identifiers (IDFA, Android Ad ID)
  • Contacts or friend lists

3. Purpose of Collection

Collected information is used only for the following purposes:

3.1 Providing App Features

  • Saving and displaying learning progress
  • Providing personalized learning experiences
  • Cloud synchronization across devices

3.2 Service Improvement

  • Fixing errors and resolving bugs
  • Developing new features
  • Improving user experience

3.3 Communication with Parents

  • Subscription receipts and renewal notices
  • Important app update notifications
  • Customer support

4. Children's Privacy (COPPA Compliance)

This Service is intended for children under the age of 13. In compliance with the Children's Online Privacy Protection Act (COPPA, 16 CFR Part 312):

  • We obtain verifiable parental/guardian consent before collecting information from children under 13.
  • We do not sell children's personal information to third parties or use it for behavioral advertising.
  • Parents/guardians may request to view, modify, or delete their child's personal information.
  • We do not require children to provide personal information as a condition of using the Service.
  • This app does not contain third-party advertisements.

COPPA Compliance Statement: This app fully complies with the U.S. Children's Online Privacy Protection Act (COPPA, 16 CFR Part 312).

Compliance Items:

  • Verifiable parental consent mechanism
  • Minimization of personal information collection
  • Protection of parental rights
  • Information security measures
  • Limitation of third-party sharing

FTC Reporting: If you have concerns, you may file a complaint with the U.S. Federal Trade Commission (FTC) at https://www.ftc.gov/complaint

5. Third-Party Services

We use the following third-party service providers to operate the Service. All providers have signed COPPA compliance agreements:

| Service | Provider | Purpose | Data Shared | |---------|----------|---------|-------------| | Cloud Database | Supabase | Learning data synchronization | Anonymized learning records | | Crash Reporting | Sentry | App stability improvement | Anonymous error logs | | Authentication | Apple | Sign in with Apple | Parent email (via Apple) | | Authentication | Google | Google Sign-In | Parent email (via Google) | | Text-to-Speech | Amazon Web Services (AWS) | TTS service for pronunciation | Text content only |

We do not share, sell, or rent children's personal information to any other third parties.

No Third-Party Advertising: This app does not display advertisements.

6. Data Retention and Deletion

| Data Type | Retention Period | |-----------|-----------------| | Learning Records | Until account deletion | | Subscription Information | Up to 7 years per legal requirements | | Anonymized Statistics | Retained for service improvement (not personally identifiable) | | Error Logs | Automatically deleted after 90 days |

Upon Account Deletion Request: All personal information is completely deleted within 30 days.

7. Data Security

We take the following security measures to protect children's information:

7.1 Technical Protection

  • Encryption: SSL/TLS encryption for all data transmission
  • Anonymization: Removal of personally identifiable information
  • Access Control: Only authorized personnel can access data

7.2 Organizational Protection

  • Regular security audits
  • Employee security training
  • COPPA compliance education
  • Backup and disaster recovery plans

8. Data Breach Notification

In the event of a personal data breach:

  • We will notify affected parents/guardians by email within 72 hours of becoming aware of the breach.
  • We will provide details on the scope of the breach, types of data affected, and remedial actions taken.
  • We will report to relevant authorities as required by applicable law.

9. Your Rights (Parental Rights)

Under COPPA, parents/guardians have the following rights:

9.1 Right to Review

You can review and verify your child's information.

9.2 Right to Correct

You can request correction of inaccurate information.

9.3 Right to Delete

You can request deletion of all your child's information.

9.4 Right to Refuse Collection

You can refuse further information collection (some features may be limited).

9.5 How to Exercise Rights

Contact us via email and we will process your request within 7 business days:

  • Email: info@danielclass.com
  • Subject: "[Privacy Request] Child's Name"

10. International Data Transfer

This app is operated from South Korea. Data is stored in the following regions:

  • Primary Server: South Korea (Supabase Seoul region)
  • Backup and TTS Service: United States (AWS)

GDPR Compliance: For EU users, GDPR rights are also guaranteed.

11. Changes to This Policy

If we change this Privacy Policy:

  1. In-app notification (at least 30 days in advance)
  2. Email notification (for registered users)
  3. Website posting

Significant Changes: We will obtain renewed parental consent.

12. Contact

For privacy-related inquiries, please contact us at any time:

  • Email: info@danielclass.com

FTC Reporting: If you have concerns, you may file a complaint with the U.S. Federal Trade Commission (FTC).

  • Website: https://www.ftc.gov/complaint

Version: 2.0.0 Last Updated: April 9, 2026