Currency Converter Calculator is a free iOS and macOS app developed by Aleksey Mezhevikin that offers a hassle-free way to convert currencies on the go. The app supports all world currencies and works without an internet connection, making it a reliable tool for travelers. With its simple and user-friendly interface, users can quickly search for currencies by countries and get mid-market exchange rates. Additionally, users can set their own exchange rates and the app updates every hour to ensure the latest rates are available.

The app also includes a calculator for easy computations and supports cryptocurrencies. The app size is only 12 MB, making it easy to download and install. For those who want to remove ads, a Premium version is available for $3 per year. The app also includes an exchange rates widget for easy access to the latest rates.

Note that payment for Premium is charged to your Apple ID account upon confirmation of purchase and automatically renews unless canceled at least 24 hours before the end of the current period. Users can manage and cancel their subscriptions through their account settings on the App Store after purchase.

Overall, Currency Converter Calculator is a reliable and convenient tool for travelers and anyone in need of quick and accurate currency conversions.