Privacy Policy
Last updated: May 19, 2026
OIOPUS ("we", "us") provides a service that generates printable Math and English worksheets. This policy explains what information we collect, how we use it, and the choices you have.
Information we collect
- Account information: your email address and authentication tokens.
- Billing information: handled by our payment processor (Stripe). We do not store full card numbers.
- Usage data: worksheets you generate, grades and skills you select, and basic activity needed to operate the service.
- Referral information: your unique referral code and the accounts that sign up through it (for crediting purposes).
How we use information
- To run the service, generate worksheets, and keep your account secure.
- To process payments and apply referral credits.
- To send transactional and account emails (sign-in confirmations, password resets, billing receipts).
- To improve worksheet quality and curriculum coverage.
Children and student data
OIOPUS is purchased by parents and teachers. Worksheets are intended for use by students offline, on paper. We do not require children to create accounts and we do not knowingly collect personal information directly from children.
Sharing
We do not sell personal information. We share data only with service providers we need to operate the product (hosting, database, email delivery, payment processing) under their respective terms.
Your choices
- Access or delete your account data by emailing us.
- Cancel your subscription at any time from the account page.
- Opt out of non-essential email by following the unsubscribe link.
Contact
Questions or requests: info@oiopus.com.