Last Updated: March 2026
Thank you for using Cal C. Your privacy is important to us.
Cal C does not collect, store, or share any personal information.
All calculator features operate directly on your device.
We do not collect personal data such as:
Since the app does not collect personal data, your information is never stored, transmitted, or shared with third parties.
All calculations and inputs remain entirely on your device.
The currency converter feature in Cal C uses exchange rate data provided by the Frankfurter API (https://frankfurter.dev/).
This service provides publicly available currency exchange rates based on data from the European Central Bank.
No personal information is sent to or collected by this service through the app.