Privacy Policy

Overview

Recall147 ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you use our spaced repetition learning application.

Information We Collect

Account Information

When you sign in with Google, we receive:

• Your Google account ID (for authentication)
• Your email address
• Your name
• Your profile picture URL

Learning Data

To provide the spaced repetition service, we store:

• Topics you create (titles and descriptions)
• Your review history and recall scores
• AI-generated questions and feedback
• Learning statistics and progress data

Technical Data

We automatically collect:

• Session cookies for authentication
• Basic usage analytics (pages visited, features used)

How We Use Your Information

• 1 Authentication: To securely identify you and maintain your session
• 2 Core Service: To calculate optimal review schedules using the SM-2 algorithm
• 3 AI Features: To generate personalized learning questions and feedback via OpenAI
• 4 Analytics: To improve the application and fix issues

AI & Third-Party Services

We use OpenAI's API to generate recall questions, review feedback, and weekly insights. When using these features, your topic titles and descriptions may be sent to OpenAI. OpenAI's data handling is governed by their own privacy policy.

Data Security

• All data is transmitted over HTTPS encryption
• Session tokens are stored in HTTP-only cookies
• Database access is restricted and monitored
• We do not store your Google password

Data Retention

Your account and learning data are retained as long as your account is active. You can request deletion of your account and all associated data at any time by contacting us.

Your Rights

You have the right to:

Cookies

We use a single essential cookie (recall147_session) to maintain your authenticated session. This cookie is HTTP-only and secure. We do not use tracking cookies or third-party advertising cookies.

Children's Privacy

Recall147 is not intended for children under 13. We do not knowingly collect personal information from children under 13. If you believe we have collected such information, please contact us immediately.

Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new policy on this page and updating the "Last updated" date.