From Finarea SA:
With the free Mobyler iPhone application you can make 100% free calls to other users who have installed Mobyler on their smartphones. All you need is 3g/Wi-Fi and friends with Mobyler! You can use the Mobyler App worldwide to make free calls as long as your friends and family have also installed the Mobyler application, so spread the word! If you want to call people not using Mobyler it is possible to register for Mobyler and buy a little credit and call them at the lowest rates possible. - Mobyler offers straight peer-to-peer calls, so any calls to your Mobyler friends will be free of charge! - Mobyler now also allows you to exchange messages without having to pay for SMS. Mobyler messenger is available for several platforms. You can send FREE messages to any other Mobyler user.- Mobyler offers the option to save on regular calls to non-Mobyler contacts by using our sip-service. - No hassle with usernames and emails; your friends' phone number is all you need to use Mobyler! - No additional buddy lists! Just use your regular contact list to select your Mobyler contacts! - Great sound quality! Mobyler has access to the best networks and services, which beats out the quality of regular phone providers. - We do NOT use your contact details or contact list for advertising purposes, nor do we share these details with any other parties!