New to Android, Can Somebody Help Me With Messaging...

Hey guys I'm relatively new to Android and was wondering on how to receive group chat messages with iphone users. I was able to send out a group message that both recipients received with the stock sense 5 messages app but when sent a group messages I didnt get the message at all with hangouts(after the new update) and the stock sense 5 messages app. Is there any way to get this to work or was it just a bug?