Fonic

Fonic is a German mobile virtual network operator (MVNO) that offers prepaid mobile services. They provide various tariffs for calls, SMS, and mobile data, often emphasizing flexibility and cost control for their customers.

Fonic gift cards or top-up vouchers are typically redeemed by entering a code via the Fonic website, app, or by dialing a specific number from the Fonic mobile phone. The credit can be used to top up the prepaid balance for calls, SMS, and data usage.