Email address (only if you opt in to free samples or our newsletter)
Purchase information processed by our third-party payment processor when checkout is open (we do not see your card number; the processor handles that)
Anonymized analytics: pages viewed, referral source, device type, country. We use this to understand traffic patterns. We do not link analytics to individual identities.
We do not collect your full name unless you provide it at checkout (the payment processor handles this)
We do not collect your phone number
We do not sell your data to third parties — ever
We do not use third-party advertising trackers on our own pages beyond standard Google Analytics and Google Ads conversion tracking
To deliver your purchased products
To send free study samples and product updates if you opt in (you can unsubscribe at any time via the link in every email)
To improve the site based on aggregated traffic patterns
To respond to support requests you send to us
Payment processing — online checkout is temporarily offline. When it reopens, the payment processor and its privacy policy will be named here before any purchase.
Email signups — email addresses you submit for our free guides are stored in Vercel Blob storage and used only to deliver the free guide and occasional product updates. We do not use a third-party email marketing platform.
Google Analytics and Google Ads — anonymized site analytics and conversion tracking. See policies.google.com/privacy.
Vercel — site hosting and storage of email signups (Vercel Blob). See vercel.com/legal/privacy-policy.
We use minimal cookies: Google Analytics for traffic analysis and Google Ads for conversion tracking. You can disable cookies in your browser settings without affecting your ability to purchase or download products.
You can request that we delete your email address from our newsletter at any time by emailing support@studystack.org or clicking unsubscribe in any newsletter.
You can request a copy of any data we hold about you.
California residents have additional rights under CCPA. EU residents have rights under GDPR. To exercise these rights, contact support@studystack.org.
Our products are intended for adults preparing for professional licensing exams. We do not knowingly collect data from anyone under 18.
We may update this policy. Last updated: July 2026. Material changes will be posted on this page.
Privacy questions: support@studystack.org