Most people can get by and enjoy the basic features of Instachat. However, for just a couple of bucks or the cost of an In-N-Out cheeseburger, the 'Extras' package gives you the ability to:
Delete messages that you have already sent. Yes, it will also be removed from the other person's phone. Sometimes we do make mistakes!
Unlimited voice messages Our voice messaging feature is the most simple and fun interface in the world. It's totally epic!
Message read confirmation Indicates when the other person has read the message you sent to them.