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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
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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).
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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Contact