Privacy Policy
Effective Date: September 1, 2024
Last Updated: March 1, 2025
This Privacy Policy helps you understand how we collect, use, share, transfer, disclose, and store your personal information, and how you can access, delete, correct, or withdraw your personal information.
Chapter 1: How We Collect Your Personal Information
1.1 Information You Provide
| Scenario | Information Collected | Purpose |
|---|---|---|
| Phone Login | Phone number | Identity verification, cross-device sync |
| Account Settings | Avatar, Nickname (optional) | Account personalization |
| Customer Service | Nickname, phone, issue details | Problem resolution |
1.2 Device and Network Information (Automatically Collected)
Basic Device Information:
- Device name, model, operating system version
- Screen resolution, memory
- Login IP address, network type
Device Identifiers:
- Unique device identifier (to distinguish different devices)
Usage Records:
- Browsing history, usage records, learning data
1.3 Device Permissions
| Permission Type | Purpose |
|---|---|
| Camera/Album | Upload avatar/images |
| Microphone | Speaking assessment (if applicable) |
| Clipboard | Copy/paste, share links |
| Storage | Cache learning content |
Chapter 2: How We Use Your Personal Information
We use your personal information for the following purposes:
- Account Management: Create and manage your account, verify identity
- Service Provision: Provide core reading and learning features
- Learning Statistics: Analyze and track your learning progress
- Personalization: Recommend suitable content based on learning history
- Customer Support: Respond to your inquiries and feedback
- Security: Protect your account and our systems
Chapter 3: How We Share, Transfer, or Disclose Your Information
3.1 Sharing
We do not sell your personal information. We only share in the following cases:
- With your explicit consent
- As required by law or judicial authorities
- With authorized partners (e.g., payment services, analytics)
3.2 Transfer
We do not transfer your personal information except:
- With your explicit consent
- In connection with merger, acquisition, or bankruptcy
3.3 Public Disclosure
We only publicly disclose your information:
- With your explicit consent
- As required by law or government authorities
Chapter 4: How We Protect Your Information
- We use SSL encryption for sensitive data transmission
- We implement strict access controls
- All employees receive data security training
- We conduct regular security assessments
Chapter 5: How We Store Your Information
5.1 Storage Location
Your personal information is stored within the People's Republic of China. We do not currently transfer data overseas.
5.2 Storage Period
| Information Type | Retention Period |
|---|---|
| Personal Information | Duration of service use |
| Learning Data | Duration of service use |
| Log Information | 180 days after account deletion |
Chapter 6: Managing Your Information
6.1 Access and Correction
You can view and modify your avatar, nickname, and other information in the "My" page.
6.2 Deletion
You can request deletion of your personal information. We will process according to applicable laws.
6.3 Account Deletion
You can delete your account in "My - Settings - Delete Account".
Note: Account deletion is irreversible. All your data will be deleted.
Chapter 7: Protection of Minor's Information
- Minors under 18 should use this service under guardian supervision
- If you are a guardian and do not consent to the minor's use, please terminate their access
- If we discover we have collected minor's information without guardian consent, we will delete it promptly
Chapter 8: Policy Updates
We may update this policy from time to time. Changes will be notified through in-app announcements.
If you do not agree with the updated policy, please stop using our services. Continued use indicates acceptance.
Chapter 9: Complaints and Suggestions
For any questions or suggestions regarding privacy protection:
- Email: privacy@matereader.com
- Response Time: Within 15 business days
Chapter 10: Other
This Privacy Policy is effective from the date of publication. For any questions, please contact us through the above channels.
Xingli Tech StudioMarch 2025