Palringo for the iPhone is free, and is easy to download and install from Apple's new App Store. There are no hidden costs, catches or other charges.
Click here to download Palringo from the App Store.
Palringo works by integrating with several existing, popular messaging services including Apple's own iChat for Mac OS X. The other seven are AOL's AIM, Google Talk, Yahoo! Messenger, Gadu Gadu, ICQ, Jabber and Windows Live Messenger.
Palringo presents an iPhone user's IM contacts in a single, combined, presence-aware list, whichever IM service their contacts are using. This eliminates any need to switch between different IM applications in order to send a message to different contacts. Sending a voice, picture or text-based message are single-click operations.
That's just the start though! See anything interesting? Just snap a photo and send it to your friends instantly. Don't like typing on mobile phone keypads? With Palringo, you can just talk naturally in the form of short voice clips - think of it like a Walkie-Talkie on steroids.
There's even more to it! With Palringo, you can create and join groups - and exchange text, voice, or photo messages with large communities, regardless of where you happen to be. It's a great way to stay connected while on the go.