Vyke Mobile is a free application for your mobile phone that can save you up to 99% on your international calls and 95% on your international text messages. Depending on your handset's features and the connection methods you have available to you at any given time, Vyke Mobile provides you with an alternative to costly international phone bills and extortionate roaming charges normally associated with calling and texting on the move. Call and sms free to other Vyke users.