When you’re talking one-on-one with someone in Chat, a blue dot will appear at the bottom of your Chat screen which means they’re present in the Chat! If they’ve set up Bitmoji, their Bitmoji will pop up instead to say hello from the bottom of the screen to let you know they’ve arrived! When they leave, their Bitmoji will dart away ??
When someone joins the Group Chat, their name will light up inside a bubble above your keyboard. This lets you know they’re present! Just tap on a name bubble to chat with that Snapchatter one-on-one. To see who has read a chat, just tap on it!
If you’re wondering who’s in a Group Chat before you jump in, just press and hold on the group name in the Chat screen to see a list of group members.