With my girlfriend living where no cell provider dares to tread (south eastern Montana....) Kik is pretty vital. I have the same issue the OP described along with a strange crashing issue. When locked, my phone always lights up and makes noise when I get a Kik message, that's not a problem. Randomly however, upon opening the app after I get the notification it crashes back to the home screen. And the red gear icon for new message disappears as if I checked and read said message. Even though I've only seen the preview. Now, keep in mind that this is intermittent and seemingly random, I'd say it happens 5 or 6 times a day, and with how much I use the service that really isn't a significant amount of crashes. But, if someone has the same issue, or knows something more about it I'd be happy to read up on it.