DRAFT — pending legal review before launch.

1. Information We Collect

Account information: email, name, language preference
Authentication: OAuth provider IDs (Google, GitHub) when applicable
Usage: worksheets generated, modules used, storage quota consumed
Payment: handled by Stripe (Global) and Omise (Thailand) — we do not store card details
Technical: IP address (hashed for analytics), browser, OS

2. How We Use Information

To provide the Service (generate worksheets, manage your plan and quota)
To process payments and prevent fraud
To send transactional emails (receipts, password resets)
To improve the Service (aggregated analytics)

3. Data Sharing

We do not sell your personal information. We share data only with service providers (Vercel, Neon, Stripe, Omise, Resend) under contractual confidentiality obligations.

4. Data Retention

We retain account data while your account is active. Upon account deletion, we anonymize or delete personal data within 30 days, except where retention is legally required (e.g., tax records).

5. Your Rights (GDPR / PDPA)

You may request access, correction, export, or deletion of your data at any time. Email privacy@mathprepai.com.

6. Cookies

We keep cookies to a minimum. Essential cookies are required for the site to work and are always on; optional analytics cookies are set only if you choose “Accept all” in the cookie banner. You can decline the optional ones with no loss of functionality. We use no third-party advertising cookies.

Cookie	Type	Purpose	Retention
Session (authentication)	Essential	Keeps you signed in	Session / 30 days
`mp_ref`	Essential	Affiliate referral attribution	60 days
`mp_consent`	Essential	Remembers your cookie choice	Until changed
PostHog analytics	Optional	Aggregated usage analytics	Only after “Accept all”

7. Children

MathPrepAI is designed for educators. Students use generated worksheets offline. We do not knowingly collect data from children under 13.

8. International Transfers

Data is processed in Singapore (Neon, Railway) and globally distributed for delivery (Vercel). By using the Service, you consent to this.

9. Contact

Email privacy@mathprepai.com for any privacy-related question.