How We Handle Your Data
1. Information We Collect
- Account information: email address, username, sign-in method, and account status.
- Usage data: divination questions, hexagram-casting input, hexagram results, AI interpretation results, credit balance, and subscription status.
- Device and service data: device type, operating system, language settings, request logs, and basic network information used for security and risk control.
- Payment information: in-app purchases are handled by Apple, and web payments are handled by providers such as Stripe. We do not store full card numbers or card security codes.
2. How We Use Information
- To provide core services such as account sign-in, divination, learning materials, AI interpretation, and credit and subscription entitlement syncing.
- To maintain service security, including sign-in protection, rate limiting, abnormal-request detection, and payment callback verification.
- To handle customer-support requests, refund requests, account-deletion requests, and necessary transaction-record reconciliation.
- To improve product experience and service stability. We do not sell your personal data to third parties.
3. AI Data Processing
- When you request an AI interpretation, we send the necessary divination question, hexagram information, and context to our AI service provider to generate the result.
- We minimize the amount of data sent. Please avoid entering sensitive personal information such as national ID numbers, bank card numbers, or health diagnoses in your questions.
- AI-generated content is for learning and reference only and does not constitute medical, legal, investment, or other professional advice.
4. Third-Party Services
- Cloud database and server infrastructure: used for account, business, and server-side data storage.
- OpenRouter and its model service providers: used to generate AI hexagram interpretations.
- Apple In-App Purchase and RevenueCat: used for iOS in-app purchases, subscription status, and receipt syncing.
- Stripe: used for web payment processing. Third-party services handle relevant data in accordance with their own privacy policies.
5. Data Retention and Deletion
- We retain account, divination, credit, subscription, and payment records for as long as needed to provide the service.
- You can request account deletion from the account page in the App or on the web. After deletion, divination records and personal data associated with the account are deleted or anonymized according to system rules.
- Transaction records that must be retained for financial, risk-control, audit, or legal obligations may continue to be stored for the required period.
6. Children's Privacy
- YiDao is not directed to children under 13. We do not knowingly collect personal information from children under 13.
7. Contact Us
- To access, correct, or delete your personal data, or for any privacy-related questions, contact [email protected].
