Privacy Policy

Last updated: April 2026

Summary

All MoneyMath calculators run 100% in your browser. The numbers you enter are never transmitted to our servers, stored in our databases, or shared with third parties. We collect anonymized analytics and serve ads — details below.

What we collect

• Anonymous analytics (Google Analytics or similar): page visits, device type, country, referrer. Never tied to your identity.
• AdSense cookies: Google displays ads on this site. AdSense uses cookies to personalize ads and measure effectiveness. See Google\'s ad policies.
• Server logs: Standard web server access logs (IP address, user agent, timestamp) retained for up to 30 days for security.

What we do NOT collect

• Calculator inputs. Any numbers, text, or selections you enter into a calculator stay in your browser. They are not sent to our servers.
• Email addresses. We do not operate a newsletter and do not collect emails.
• Account information. MoneyMath has no user accounts.
• Personal identifiers. We do not fingerprint browsers, track across sites, or build user profiles.

Third-party services

We use the following services that have their own privacy policies:

• Google AdSense — ad display (privacy policy)
• Google Analytics — traffic analytics (privacy policy)
• Our web host — DigitalOcean (privacy policy)

Your choices

• Block cookies: Your browser settings control cookie acceptance.
• Opt out of personalized ads: Visit Google Ad Settings.
• Opt out of analytics: Install the Google Analytics Opt-out Browser Add-on.

Children\'s privacy

MoneyMath is not directed at children under 13. We do not knowingly collect data from children.

Changes to this policy

We may update this privacy policy as services change. Material changes will be posted on this page with a new "Last updated" date.

Contact

Privacy questions: visit the Contact page.