Whats App Messenger provides i Phone users with the familiar look-and-feel of desktop instant messaging programs, right on their i Phone.Key features: no monthly fees, no international charges, no PINs or usernames, no login / logout, push notifications.Start a Tango call with just voice, and easily move into a video call when you have something to share.Save money when calling your friends abroad by inviting them to use Tango.Viber (i Phone) Viber is an i Phone application that lets you make free phone calls to other i Phone users that have Viber installed.
Stable service supporting more than 10 million users. 1 free communication application in Android Market.Group chat unlimited number of friends can participate in.Voice note playable with any Android or i Phone operating software.Share your Geo location with you buddies through status message.Push mode for longer battery life: stay on-line and receive incoming messages even if you exit IM .
Feature to add friends with their IDs as well as with their phone numbers fring (Android, i Phone) fring is a multi-award winning mobile application that lets you make free voice calls, free video calls (one way) and live IM chats directly from your i Phone and i Pod touch. Communicate with your friends from fring and other favorite social services including Skype, MSN®Messenger, Google Talk, Twitter, Yahoo!