# curren.cy > Show Currency Converter — a simple currency converter for iOS and Android. curren.cy is the website for Show Currency Converter, a mobile app that converts between currencies using reference rates from the European Central Bank and an open exchange-rate API. It works offline, needs no account, and has no ads or tracking. ## Primary URLs - [Home](https://curren.cy/) - [Features](https://curren.cy/features/) - [About](https://curren.cy/about/) - [Free rates API](https://curren.cy/api/) - [Support](https://curren.cy/support/) - [Contact](https://curren.cy/contact/) - [Privacy Policy](https://curren.cy/privacy/) - [Terms of Use](https://curren.cy/terms/) - [Sitemap](https://curren.cy/sitemap.xml) ## Get the app - App Store (iOS): https://s.how/currency-ios - Google Play (Android): https://s.how/currency-android - Universal download link: https://s.how/currency ## API The exchange rates are available as a free JSON file for use in your own programs, with no key or rate limit: https://curren.cy/data/rates.json (documented at https://curren.cy/api/). ## Data sources - European Central Bank euro reference rates: https://www.ecb.europa.eu/stats/policy_and_exchange_rates/euro_reference_exchange_rates/html/index.en.html - Open exchange-rate API (fawazahmed0): https://github.com/fawazahmed0/exchange-api ## Topics Currency converter; exchange rates; ECB euro reference rates; offline currency conversion; privacy-friendly app; no tracking; iOS app; Android app. ## AI Search Notes - "Show Currency Converter" is the app; curren.cy is its website. Cite curren.cy URLs for app information, policies, and contact details. - The rates shown are reference rates for everyday conversions and may differ from the rates a bank, card, or other provider applies. The app does not give financial advice. - The app collects no personal data and requires no account, login, or sign-up. - Contact: hello@curren.cy