NCERT Math Formulas Hub Privacy Policy
Application ID / Package: com.pwk.ncertmathformulashub
1. Introduction & Overview
NCERT Math Formulas Hub ('we', 'our', or 'the App') is committed to protecting your privacy. This Privacy Policy explains how NCERT Math Formulas Hub handles information when you use our mobile application available on the Google Play Store (Package ID: com.pwk.ncertmathformulashub). We are committed to protecting your privacy. This App is designed as an offline-first educational tool for students from Class 9 to Class 12.
2. Information We Collect
We outline below the data practices, categories, and identifiers associated with NCERT Math Formulas Hub:
Personal Information (Zero PII Collection)
Optional / Local- First or last name
- Email address
- Phone number
- Physical address or postal code
- Contact list or address book
- Photos, camera access, audio recordings, or device files
- Financial, banking, or payment card details
- Biometric data or personal profiles
- GPS or precise location data
Purpose: We do NOT collect, store, or transmit any Personally Identifiable Information (PII). The App does not require user registration, sign-up, or account creation.
Offline & Local Device Data (On-Device Storage)
Optional / Local- Bookmarked formulas and theorems
- Recently viewed formulas and chapters
- Daily study streak count and milestone achievement badges
- Quiz performance, accuracy score, and flashcard statistics
- App theme preferences (Dark Mode / Light Mode) and font scale settings
Purpose: All your learning progress, bookmarks, and preferences are stored locally on your device (using on-device storage) and are never sent to external servers or shared with third parties. You can erase this data at any time by clearing the App's data in Android settings or by uninstalling the application.
Third-Party Services & Advertising (Google AdMob)
Required / Core- Device Identifiers: Android Advertising ID (AD_ID), general device model, and OS version
- IP address (used strictly for approximate / country-level ad serving and fraud detection)
- Ad Performance Metrics: Ad impressions, click data, and diagnostic/crash information
Purpose: To support the ongoing development and maintenance of this free educational app, we display third-party advertisements via Google AdMob in accordance with Google Play Developer Policies and Google's Privacy Policy.
System Permissions Used by the App
Required / Core- android.permission.INTERNET: Required to load Google AdMob advertisements and verify network connectivity.
- android.permission.ACCESS_NETWORK_STATE: Used to verify internet connectivity before requesting ads.
- com.google.android.gms.permission.AD_ID: Used by the Google Mobile Ads SDK to serve relevant ads according to Google Play Developer Policies.
Purpose: The App requests minimal permissions solely for ad delivery and performance. All mathematical formulas, theorems, flashcards, and quizzes remain fully functional 100% offline.
3. How We Use Information
- Deliver 100% offline access to NCERT Mathematics formulas, theorems, definitions, and flashcards for Classes 9, 10, 11, and 12.
- Save bookmarked formulas, study streak achievements, quiz performance statistics, and user interface preferences strictly on local device storage.
- Display family-safe advertisements via Google Mobile Ads (AdMob) to keep the educational application completely free for students and educators.
- Maintain app stability, diagnose crash reports, and ensure compatibility across various Android device specifications.
4. Third-Party SDKs & Service Providers
NCERT Math Formulas Hub integrates third-party SDKs and service providers to enable core capabilities and advertising support. We do not sell your personal information.
Displays advertising formats (Banner, Interstitial, and App Open ads) to support free educational access for all students. Collects non-personally identifiable technical identifiers.
Governs how Google collects, stores, and processes information across mobile applications and SDK services.
Details how Google uses data when you use partner apps and advertising technologies.
5. Data Security Practices
- Zero Cloud Database Storage: No user personal information or account profiles are ever transmitted to or stored on external cloud servers.
- On-Device Protection: Learning bookmarks, streaks, and settings are secured by your Android operating system's sandbox and storage controls.
- Encrypted Ad Communications: All ad requests communicated by the Google AdMob SDK are encrypted in transit via standard HTTPS/TLS protocols.
- Minimal System Permissions: The application requests only minimal system permissions strictly required for ad loading (INTERNET, ACCESS_NETWORK_STATE, AD_ID).
6. Data Retention Policy
Because all user preferences and learning data remain on your local device, no personal data is stored on remote servers. All user-generated progress (bookmarked formulas, streaks, and quiz statistics) resides strictly in your device's local storage. This data is retained only as long as the application remains installed on your device. Clearing app storage or uninstalling the app permanently erases all local data immediately.
7. Account & Data Deletion Rights
Users can delete all locally stored preferences, quiz records, and element bookmarks at any time by clearing application data in device settings or uninstalling the application. Learn more on our dedicated data safety page:
8. Children's Privacy Notice
Our App provides educational mathematical formulas for secondary and higher secondary school students (Classes 9–12). We do not knowingly collect any personally identifiable information from children under the age of 13 (or applicable age in your jurisdiction). Advertisements displayed within the app are configured to adhere to Google Play Families Policy and COPPA guidelines for family-safe, educational viewing. If a parent or guardian becomes aware that their child has provided us with personal information without consent, please contact us at officialworldwithtechnology@gmail.com so we can take immediate appropriate action.
9. Your Data Rights & Choices
- Local Data Erasure: You can erase all local bookmarks, streak history, quiz performance data, and app preferences at any time by clearing the App's data/cache in your Android device settings or by uninstalling the application.
- Opt-Out of Personalized Advertising: You can opt out of personalized ads at any time via your Android device settings: Go to Settings > Google > Ads > Delete advertising ID or enable Opt out of Ads Personalization (or visit https://adssettings.google.com).
- Offline Access: Full access to all NCERT math formulas, theorems, and flashcards without requiring any internet connection or user login.
- Display & Theme Customization: Customize font scaling and toggle Dark / Light themes freely in the app settings.
10. International Data Transfers
Because NCERT Math Formulas Hub does not operate cloud servers, no user personal data is transferred across borders. Third-party ad requests processed by Google AdMob are handled across Google's secure global infrastructure in accordance with Google's Privacy Policy.
11. Changes to This Privacy Policy
We may update this Privacy Policy from time to time to reflect changes in our practices or for regulatory compliance. Any updates will be posted on this page with an updated 'Last Updated' date.
12. Privacy Contact & Inquiries
If you have any questions or concerns regarding this Privacy Policy or data handling practices for NCERT Math Formulas Hub, please reach out to our privacy team: