Privacy Policy

CalStack ("we", "our", or "us") operates the website calstack.pro. This Privacy Policy explains how we collect, use, disclose, and protect your information when you use our website and calculator tools.

1. Information We Collect

Information you provide

We collect information you voluntarily provide, including your email address when you subscribe to our newsletter or request a benchmark report, and any other information you submit through our contact forms.

Information collected automatically

When you visit our website, we automatically collect certain information, including: IP address, browser type and version, pages visited, time and date of visit, time spent on pages, and referring URL. This information is collected through cookies and similar tracking technologies, including Google Analytics.

Calculator inputs

Numbers you enter into our calculators are processed locally in your browser and are not stored on our servers unless you explicitly save a calculation through a CalStack Premium account.

2. How We Use Your Information

We use the information we collect to: provide, operate, and maintain our website; send you newsletters and benchmark reports you have subscribed to; respond to your enquiries and support requests; analyse website usage to improve our calculators and content; display relevant advertising and affiliate recommendations; and comply with legal obligations.

3. Cookies

We use cookies and similar tracking technologies to track activity on our website and store certain information. Cookies are files with a small amount of data which may include an anonymous unique identifier. You can instruct your browser to refuse all cookies or to indicate when a cookie is being sent. However, if you do not accept cookies, some portions of our website may not function properly.

We use the following types of cookies: Essential cookies (required for the website to function), Analytics cookies (Google Analytics, to understand how visitors use our site), and Advertising cookies (used by our display advertising partners including Ezoic).

4. Affiliate Links and Third-Party Tools

Our website contains affiliate links to third-party products and services. If you click on an affiliate link and make a purchase, we may receive a commission. These third parties have their own privacy policies, and we encourage you to review them. We are not responsible for the privacy practices of third-party websites.

5. Data Sharing

We do not sell your personal information. We may share your information with: service providers who assist us in operating our website (including email service providers, analytics providers, and advertising networks); law enforcement or government agencies if required by law; and business partners in connection with services we jointly offer.

6. Data Retention

We retain your email address and subscription information for as long as you remain subscribed to our newsletter. You can unsubscribe at any time using the unsubscribe link in any email we send. We retain analytics data for up to 26 months.

7. Your Rights

Depending on your location, you may have the right to: access the personal information we hold about you; request correction of inaccurate information; request deletion of your personal information; object to processing of your personal information; request restriction of processing; and data portability. To exercise any of these rights, please contact us at hello@calstack.pro.

8. Children's Privacy

Our website is not directed to individuals under the age of 13. We do not knowingly collect personal information from children under 13. If you become aware that a child has provided us with personal information, please contact us and we will take steps to remove such information.

9. Changes to This Privacy Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last updated" date. You are advised to review this Privacy Policy periodically for any changes.

10. Contact Us

If you have any questions about this Privacy Policy, please contact us at: hello@calstack.pro