Use your prepaid credit to call anywhere in the world at truly competitive rates and excellent audio quality. Call using Simfonia from any device. No monthly fees. No activation costs. This card is optimised to be used from smartphone. Use Simfonia to access your contact list, to check your balance and rates and to share your balance. Calling with Simfonia is easy. From smartphone 1. Download the Simfonia app from the Apple, Google Playstores . 2. Enter your mobile number and the code receive