📅 Last updated: March 21, 2026 | Effective: March 21, 2026
1. Introduction
Welcome to Mark Booster ("we", "our", or "us"). We operate the website https://mark-booster.netlify.app (the "Service").
This Privacy Policy explains what information we collect, how we use it, and your rights regarding your data. By using Mark Booster, you agree to this policy.
Mark Booster is a free educational platform for CBSE students (Class 6–12). We take your privacy very seriously.
2. Information We Collect
a) Information you provide voluntarily:
- Name and email address (when you create an account or sign in with Google)
- Your class/grade (e.g. Class 10)
- Study notes you write on the platform
b) Information collected automatically:
- Browser type and version
- Pages visited and time spent
- Device type (mobile/desktop)
- IP address (anonymized)
- Cookies and local storage data
c) Information from Google Sign-In (if used):
- Google account name and email
- Profile picture (if available)
3. How We Use Your Information
- To provide and improve the Mark Booster service
- To generate personalized AI study content for you
- To save your study streak and progress on your device
- To show relevant Google advertisements (via Google AdSense)
- To analyze how students use the platform (via Google Analytics)
- To respond to your questions or support requests
We do NOT sell your personal information to any third party. Ever.
4. Google AdSense & Advertising
Mark Booster uses Google AdSense to display advertisements. Google may use cookies to show ads based on your interests.
Our publisher ID is: ca-pub-3276975687400612
5. Cookies & Local Storage
We use cookies and browser local storage to:
- Remember your login session
- Save your study streak and progress
- Save your notes on your device
- Display relevant advertisements (Google AdSense)
- Analyze site traffic (Google Analytics)
You can clear cookies at any time through your browser settings. This will log you out and reset local data.
6. Data Storage & Security
- Your account data is stored locally on your device (browser localStorage)
- We do not store your personal data on our servers
- AI questions are generated via Grok AI (xAI) — your prompts are sent to xAI API
- We use HTTPS encryption for all data transmission
- We follow industry-standard security practices
7. Children's Privacy
Mark Booster is designed for students including those under 18. We are committed to protecting children's privacy.
- We do not knowingly collect personal data from children under 13 without parental consent
- Parents can contact us to delete their child's data
- We comply with applicable children's privacy laws
If you are under 13, please use Mark Booster with your parent's or guardian's permission.
8. Third-Party Services
Mark Booster uses these third-party services:
- Google Analytics — website traffic analysis
- Google AdSense — display advertisements
- Google Identity Services — Google Sign-In
- xAI Grok API — AI question generation
- Netlify — website hosting
Each of these services has their own Privacy Policy. We recommend reviewing them.
9. Your Rights
You have the right to:
- Access the personal data we hold about you
- Request deletion of your data
- Opt out of personalized advertising
- Clear your local data by clearing browser storage
- Contact us with any privacy concerns
10. Contact Us
If you have any questions about this Privacy Policy or your data, please contact us:
We will respond to all privacy requests within 7 business days.
11. Changes to This Policy
We may update this Privacy Policy from time to time. We will notify users of significant changes by updating the date at the top of this page. Continued use of Mark Booster after changes means you accept the updated policy.