Privacy Policy & Data Deletion Instructions
Last Updated: June 11, 2026
1. Overview
Welcome to StemCET. We are committed to protecting your personal information and your right to privacy. This privacy document outlines how we collect, use, and handle your information when you log in and use our platform.
2. Information We Collect
When you sign in using third-party authentication providers (such as Google), we retrieve basic profile metadata:
- Your primary email address (to identify your account).
- Your profile name and avatar initial.
- Authentication tokens provided securely by the respective OAuth identity providers.
Additionally, we store your learning progress, including solved questions, hint logs, and question mastery status inside our secure Supabase database to synchronize your study statistics across devices.
3. How We Use Your Data
We use your data strictly to manage and persist your personal study progression. We do not sell, share, or lease your private info, emails, or credentials to third-party ad networks or brokers.
⚙️ Facebook Data Deletion Instructions
StemCET previously supported Facebook Login. If you logged in using Facebook in the past and would like to delete your data or remove our platform's access to your Facebook profile, you can do so by following these step-by-step instructions:
- Go to your Facebook Profile's Settings & Privacy ➔ Settings.
- Scroll down the left sidebar and click on Apps and Websites.
- Find StemCET in the list of applications, then click the Remove button.
- To request that all your previously synchronized study progress (solved questions, history, etc.) be purged permanently from our active database, please send a brief request email to our developer support inbox at support@stemcet.com.
- Once your request is received, our database administrator will purge all associated user rows from our Supabase instance within 48 hours and send you a confirmation email.
4. Third-Party Services
Our site utilizes Google Analytics (GA4) to evaluate page traffic patterns and system metrics to optimize platform responsiveness. No personal identifiers (PII) like names or emails are sent to Google Analytics.
5. Updates to This Policy
We reserve the right to modify this privacy policy at any time. Changes will take effect immediately upon their publication on this page.