iPhone and iPad apps tagged "group chat."
Chat up strangers anywhere, anonymously and NSA safe - Nocknock for iOS7
Nocknock! Who's there? Chat up strangers in bars, cafes and subways, totally anonymous and NSA safe!
Anonymity is a powerful thing; Oscar Wilde once said: "Man is least himself when he talks in his own person.
Facetime Alternatives: 7 Apps for Video Chatting on the iPhone
If you want to video chat with friends who don't use an iPhone, Facetime is limited. These alternative apps can video chat, text and make calls for free.
BeeJive, When IM Matters More than Anything Else
There's been a lot of buzz about Beejive's BeeJiveIM lately. That's easy to understand because BeeJiveIM with Push is a very capable IM app. It puts everything IM-ish under one roof, which other IM apps don't do quite as well.