This plugin facilitates businesses that deal in multiple currencies. Configure all required settings of the plugin through the Ionic eCommerce plugin settings option and finally click on the “Yes” option here to make it completely functional. Here is the link for this multi-currency plugin that is compatible with this app
https://wordpress.org/plugins/woocommerce-currency-switcher/
Once you have installed the above mentioned multi-currency plugin, you can then able to change the language from
From the menu given below, you can select your desired currency to be applied for all transactions.