Privacy Policy

Last updated: July 25, 2025

  1. Definitions
    App / Service: Calculus App
    I / Me / My: The individual developer and operator of this app
    You: The user accessing or using the App
    Device: Any device like a phone, tablet, or computer used to access the App
    Personal Data: Any information that identifies you as an individual
    Usage Data: Information automatically collected (like IP address, device type, etc.)
    Third-party Services: Services like Google Sign-In, Razorpay, or analytics providers
  2. Types of Data Collected
    Personal Data
    You may provide personal data such as email address (via sign-in) and Google/social profile data if you use login.

    Usage Data
    Automatically collected: IP address, device information, and app usage (e.g., time spent, pages accessed).
  3. How Your Data is Used
    I use your data to provide and maintain the Service, manage authentication (e.g., Google login), respond to queries, improve functionality and security, and process payments when applicable.
  4. Sharing Your Data
    Your data may be shared only with service providers like Google and Razorpay, as required by law, or with your consent. I do not sell your personal data to third parties.
  5. Data Retention
    Personal and usage data is retained only as long as necessary to provide services, comply with legal obligations, and resolve disputes or enforce policies.
  6. Data Security
    Reasonable steps are taken to protect your data, but no transmission method over the internet is 100% secure. Absolute security cannot be guaranteed.
  7. Payments
    In-app purchases (if any) are processed via Razorpay. I do not store your payment card details. See Razorpay’s privacy policy: https://razorpay.com/privacy.
  8. Children’s Privacy
    The Service is not intended for children under 13. I do not knowingly collect data from children and will delete any such data if discovered.
  9. Deleting Your Data
    You can delete your account or data via account settings (if available) or by contacting me. Some data may be retained for legal or security reasons.
  10. Changes to This Policy
    I may update this Privacy Policy as needed. Changes will be posted here with a new "last updated" date. Please review periodically.
  11. Contact
    If you have questions or requests, contact: calculustuitioncenter@gmail.com