Effective date: August 30, 2026Information we collect
We may collect basic usage information (such as pages viewed and approximate device/browser information) to understand how the site is used and to improve performance and reliability.
Cookies and analytics
We may use cookies or similar technologies for analytics and to remember preferences (for example, theme or language).
Calculator inputs
Calculator inputs are processed on your device to produce results. They are not sent to us or used for advertising. Avoid entering sensitive personal information into calculators unless you are comfortable doing so.
Mobile app updates and reliability
The FreeCalculator mobile app uses Expo Application Services to deliver app updates and monitor update reliability. Expo may process limited technical information such as your operating system, IP-derived approximate location, a random installation token, and crash or performance information. This information is used for app functionality, security, analytics, and reliability. It is not used to sell personal information or for advertising.
Sharing
If you choose to share a link or export an image/screenshot of your results, that shared content may include values you entered. Review it before sharing.
Changes to this policy
We may update this policy from time to time. The effective date above reflects the most recent revision.