Privacy Policy
Last updated: February 27, 2026
1. Information Collection
We collect information you provide directly, information generated through your use of the Services, and limited technical data collected automatically.
Personal Information
- Account and contact details, including email address
- Profile identifiers you choose to provide, such as display name
- User-submitted content and profile settings, including learning preferences
Usage Information
- Learning activity, progress records, and feature interaction logs
- Materials you upload, generated notes, exercises, and responses
- Device, browser, IP-based technical metadata, and preference settings
2. Information Use
We process personal information only for legitimate business and legal purposes, including:
- Providing, operating, securing, and maintaining the Services
- Personalizing features and improving model-assisted learning outputs
- Sending transactional notices, service updates, and account-related communications
- Providing customer support, troubleshooting, and fraud prevention
- Complying with applicable laws, lawful requests, and contractual obligations
3. Information Sharing
We do not sell or rent personal information. We disclose information only as necessary in the following situations:
- To vetted processors and vendors (e.g., cloud hosting, payment, and AI infrastructure) under contractual confidentiality and security obligations
- To comply with legal obligations, court orders, or lawful governmental requests
- In connection with mergers, financing, restructuring, acquisition, or sale of assets, subject to lawful safeguards
- Where you direct us to share data or where explicit consent is required
4. Data Security
We implement commercially reasonable organizational, technical, and administrative safeguards, including:
- Encryption in transit and other protective controls where appropriate
- Role-based access controls and least-privilege internal permissions
- Security monitoring, logging, and periodic risk assessments
- Backup and recovery procedures designed for service continuity
5. Your Rights
Subject to your jurisdiction and applicable law, you may have the right to:
- Request access to personal information we hold about you
- Request correction of inaccurate or incomplete personal information
- Request deletion of personal information, subject to legal exceptions
- Request transfer of personal information in a portable format where applicable
- Object to or restrict certain processing activities where legally permitted
6. Cookies and Tracking Technologies
We use cookies and similar technologies for the following purposes:
- Supporting authentication, security, and core functionality
- Measuring service performance and aggregate usage patterns
- Remembering language and interface preferences
7. Third-Party Services
Our Services may rely on third-party providers to deliver core functionality:
- Payment processors and transaction platforms (e.g., DodoPayment, Alipay)
- Model and AI processing infrastructure providers
- Cloud hosting, storage, networking, and delivery infrastructure providers
8. Policy Updates
We may revise this Privacy Policy from time to time. Material changes will be posted with an updated date and, where required, additional notice.
9. Contact Us
For privacy questions, data rights requests, or complaints, please contact us: