Burn is the best app for group chat.
Burn is not a traditional chat application, its better. Traditional chat apps are around the idea that a conversation should last forever. Burns last for the length of the conversation, letting you easily gage the interest in what you are doing and allowing you to get back to your life.
Why Burn?
*Better group communication
*Easily message large groups of people without ever worrying about over notifying them
*Embeddable Multimedia – Send photos, Gifs, YouTube, etc. and never leave the app
*Easily pin information for quick access
*Conversations end when the topic is over