Privacy Policy

RD Sharma Math ("we", "our", or "us") operates the RD Sharma Math mobile application. This Privacy Policy explains how we collect, use, and protect your information when you use our app.

Information We Collect

Personal Information

• Phone number (used for login and OTP verification)
• Name
• Email address

Usage and Device Information

• App usage data (screens visited, features used)
• Device details such as device model, OS version, and app version

Phone Number Authentication (Firebase OTP)

We use Firebase Authentication by Google to authenticate users using One-Time Passwords (OTP) sent to registered phone numbers.

Your phone number is used strictly for authentication and account security purposes. Firebase processes this information according to Google’s Privacy Policy .

How We Use Your Information

• To create and manage user accounts
• To securely authenticate users via OTP
• To provide educational content and features
• To improve app stability and user experience
• To provide customer support

Data Sharing and Third-Party Services

We do not sell or rent your personal information to third parties.

We use the following third-party services:

• Firebase Authentication – phone number login
• Firebase Analytics (if enabled) – usage analysis

Data Security

We implement reasonable security measures to protect your data. However, no method of electronic storage or transmission is completely secure.

Data Retention

We retain your personal data only as long as necessary to provide our services or comply with legal obligations.

Your Rights

• Access your personal information
• Request correction or deletion of your data
• Withdraw consent where applicable

Children’s Privacy

RD Sharma Math is an educational app. We do not knowingly collect personal data from children under 13 without parental consent.

Changes to This Policy

We may update this Privacy Policy from time to time. Any changes will be reflected on this page.