Privacy Policy

Last updated: 23 May 2026

Data we collect

• Account: email address, display name, hashed password.
• Billing: customer ID and subscription status from our payment provider (Paddle). We never see your card details.
• Usage: pages visited and resources opened, for analytics only.

How we use it

To provide the service, process payments, send transactional emails (welcome, billing), and improve the product.

Sharing

We share data only with processors needed to run the service: Paddle (our Merchant of Record for payments, subscription management, tax, and invoicing), Resend (email), and our cloud database provider. We do not sell your data.

Your rights (UK GDPR)

You can access, correct, export, or delete your data at any time by emailing privacy@mathvault.io.

Cookies

We use strictly-necessary cookies for authentication and a privacy-friendly analytics cookie. No advertising trackers.

Contact

Data controller: JEno Technology Acquisitions LTD, registered in Nigeria. Email privacy@mathvault.io.