CalcStack

1. Introduction

CalcStack ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you visit our website at calc.calcstack.co (the "Site").

2. Information We Collect

We may collect the following types of information:

Account Information: When you create an account, we collect your name, email address, and authentication data through our provider (Clerk).
Usage Data: We automatically collect information about how you interact with the Site, including pages visited, calculators used, and time spent on pages.
Device Information: Browser type, operating system, IP address, and device identifiers.
Cookies: We use cookies and similar technologies for analytics, authentication, and advertising purposes.

3. How We Use Your Information

To provide and maintain our calculator services
To manage your account and subscriptions
To improve and personalize your experience
To analyze usage trends and optimize performance
To display relevant advertisements through Google AdSense
To communicate with you about updates or support

4. Third-Party Services

We use the following third-party services that may collect data:

Google Analytics: For website analytics and traffic analysis. See Google's Privacy Policy.
Google AdSense: For displaying advertisements. Google may use cookies to serve ads based on your prior visits. You can opt out at Google Ads Settings.
Clerk: For authentication and user management.
Stripe: For payment processing. Stripe collects payment information directly and is PCI-compliant.
Vercel Analytics: For performance monitoring.

5. Cookies and Advertising

We use cookies for essential site functionality, analytics, and advertising. Third-party vendors, including Google, use cookies to serve ads based on your prior visits to our website or other websites. You can opt out of personalized advertising by visiting www.aboutads.info/choices.

6. Data Security

We implement appropriate technical and organizational measures to protect your personal information. However, no method of transmission over the Internet is 100% secure, and we cannot guarantee absolute security.

7. Your Rights

You have the right to access, correct, or delete your personal data. You can manage your account settings or contact us to exercise these rights. You may also opt out of non-essential cookies through your browser settings.

8. Children's Privacy

Our Site is not directed to children under 13. We do not knowingly collect personal information from children under 13. If you believe we have collected such information, please contact us immediately.

9. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new policy on this page and updating the "Last updated" date.

10. Contact Us

If you have any questions about this Privacy Policy, please contact us through our Contact Page.