Premium features require a subscription or purchase.The subscription will automatically renew at the end of each term and your credit card will be charged through your iTunes account within 24-hours before the end of the current period.
You can turn off auto-renew at any time from your iTunes account settings but refunds will not be provided for any unused portion of the term.
The Currency Converter is a powerful and easy to use application that helps you convert all currencies in the world.
Turning off the auto-renew subscription should be made at least 24-hours before the end of the current period.
You can Camera to convert currencies online from shops and restaurants.