Active Vocabulary ("we", "our", or "us") operates the Active Vocabulary web application at https://av.studyabroad.xin and the related website at https://www.studyabroad.xin (collectively, the "Service").
This Privacy Policy describes how we collect, use, store, and protect your personal information when you use our Service.
1. Information We Collect
1.1 Account Information
When you register an account, we collect your email address, display name or username, and hashed password.
1.2 Learning Data
When you use our vocabulary learning features, we collect words you study, review, and master, practice session records, AI feedback interactions, learning progress, streaks, and statistics.
1.3 Payment Information
When you make a purchase, checkout, payment handling, tax calculation, receipts, refunds, and chargeback handling are provided by Lemon Squeezy as the merchant of record for the transaction. We do not collect or store your full credit card number, CVV, or bank account details. We receive limited payment metadata from Lemon Squeezy for digital account access, order fulfillment, and record-keeping.
1.4 Usage Data
We automatically collect certain information when you access the Service, including device type, operating system, browser information, IP address, approximate location, pages visited, features used, and timestamps of access and interactions.
2. How We Use Your Information
We use the collected information to provide and maintain the Service, process payments and fulfill orders, communicate with you, improve the Service, and comply with legal obligations.
3. Data Sharing and Disclosure
We do not sell your personal information. We may share your information only with payment providers, trusted service providers, legal authorities when required, or as part of a business transfer. Lemon Squeezy provides hosted checkout and merchant-of-record payment handling for purchases.
4. Data Retention
We retain your personal information for as long as your account is active or as needed to provide the Service. If you request account deletion, we will delete or anonymize your personal data within 30 days, except where retention is required by law or for legitimate business purposes.
5. Data Security
We implement technical and organizational measures to protect your personal information, including HTTPS/TLS, secure password hashing, access controls, and regular security reviews. No method of electronic storage or transmission is 100% secure.
6. Your Rights
Depending on your jurisdiction, you may have the right to access, correct, delete, transfer, or object to certain processing of your personal data. To exercise these rights, contact us at info@studyabroad.com.cn. We will respond within 30 days.
7. Children's Privacy
Our Service is designed for learners of all ages, but account registration and purchases must be completed by a parent or legal guardian if the user is under the age of 16, or the applicable age of digital consent in their jurisdiction. We do not knowingly collect personal information from children under 16 without verified parental consent.
8. International Data Transfers
Your information may be transferred to and processed in countries other than your country of residence. We take appropriate safeguards to ensure your data remains protected in accordance with this Privacy Policy.
9. Changes to This Privacy Policy
We may update this Privacy Policy from time to time. We will notify you of material changes by posting the new Privacy Policy on this page and updating the "Last updated" date.
10. Contact Us
If you have any questions about this Privacy Policy, please contact us at info@studyabroad.com.cn.