Legal
Privacy Policy
What StudyPebble collects, why it collects it, who it goes to, and how to get it deleted.
- Last updated
- April 16, 2026
- Applies to
- studypebble.com and all StudyPebble apps
1.What we collect
When you create an account, we collect your email address for authentication. When you practice, we store your question attempts, skill mastery data, and study progress. This data is used solely to power the adaptive learning engine and show your personal dashboard.
Anonymous test results. When a diagnostic or full length test is finished we store its score against a random visitor id, with no name or email, to measure how scores change with practice.
2.How we use your data
- Provide adaptive question selection based on your performance
- Track your mastery progress and predict scores
- Generate personalized study plans
- Process payments through Stripe (we never see your card number)
- Grade written responses using AI (your answers are sent to Anthropic's Claude API for grading and are not stored by Anthropic)
3.Data storage
Your data is stored in Supabase (hosted on AWS) with row-level security. Practice data is also cached in your browser's localStorage for offline access. You can delete your account and all associated data at any time by contacting us.
4.Third party services
These are the providers that receive data in order for StudyPebble to work, and what each one gets.
Holds your account, your practice history and your progress data.
Handles subscription checkout and billing. We never see your card number.
Your written answers and chat messages go to Anthropic. Nothing identifying you is sent with them.
Serves the site and the app.
Which pages and features get used, plus a random visitor id.
On signup and subscription we send a hashed email, IP address, browser user agent and the amount paid.
Which pages were viewed and whether a visit led to a signup or a subscription. No email or scores.
6.Children’s privacy
StudyPebble is designed for students. We do not knowingly collect personal information from children under 13 without parental consent. If you are under 13, please have a parent or guardian create an account on your behalf.
7.Your rights
You can request access to, correction of, or deletion of your personal data at any time by emailing support@studypebble.com.
8.Contact
Questions about this policy? Email support@studypebble.com, or use our contact page.
Terms of Service
Our terms live on a single page so there is never a question about which version applies. Read the Terms of Service.