CSE Notes Master - Privacy Policy
Last updated: January 9, 2026
Introduction
Welcome to CSE Notes Master ("we," "our," or "us"). CSE Notes Master is an educational mobile application designed to help Computer Science Engineering (CSE) students learn, practice, and excel in their studies. We are committed to protecting your privacy and ensuring the security of your personal information.
Information We Collect
We collect information you provide directly to us, such as when you use our educational services or contact us for support. This may include:
- Email address (for account creation and support)
- Device information (model, OS version, screen resolution for app compatibility)
- Study progress and learning analytics
- MCQ practice performance and scores
- Subject preferences and study patterns
- App usage statistics and feature interactions
- Firebase Authentication data for account management
- Advertising ID and device identifiers for personalized ads
- Ad interaction data (impressions, clicks, conversions)
- Approximate location data for ad targeting
- Local storage data (SQLite database for offline content)
- Shared preferences for app settings and user preferences
How We Use Your Information
We use the information we collect to:
- Provide personalized learning experiences
- Track and improve your study progress
- Customize content recommendations
- Send study reminders and learning tips
- Improve our educational content and features
- Provide technical support and customer service
- Analyze learning patterns to enhance educational outcomes
- Maintain app performance and security
AdMob Advertising and Consent
We use Google AdMob to display advertisements in our app. AdMob collects the following information for advertising purposes:
- Device identifiers (Advertising ID)
- Approximate location data for ad targeting
- Ad interaction data (impressions, clicks, conversions)
- App usage patterns for ad optimization
You can opt-out of personalized advertising by going to Settings → Google → Ads → Opt out of Ads Personalization.
Information Sharing and Disclosure
We do not sell, trade, or otherwise transfer your personal information to third parties without your consent, except as described in this policy:
- With Firebase and Supabase for app functionality
- With OneSignal for push notification services
- With Google AdMob for advertising services
- When required by law or to protect educational rights
Data Security
We implement comprehensive security measures to protect your educational data and personal information:
- End-to-end encryption for all data transmission
- Secure cloud storage with Supabase
- Firebase Authentication for account security
- Encrypted local data storage on your device
Your Rights and Choices
You have the following rights regarding your educational data:
- Access: Request a copy of your learning progress and data
- Deletion: Request deletion of your account and all learning data
- Rectification: Correct inaccurate study records
- Portability: Export your study progress and achievements
How to Delete Your Data
You can request complete deletion by emailing us at vlingayat0924@gmail.com with "Data Deletion Request" in the subject line.
Children's Privacy
Our service is intended for users who are at least 13 years old. We do not knowingly collect personal information from children under 13.
Third-Party Services
We use several third-party services:
Contact Us
This privacy policy was last updated on January 9, 2026.