FallenAnjel wrote:How does iMessage use Data when it's a Wifi application? iMessage only uses Data if there is no wifi and it switches over to SMS.
iMessage is not just a wifi application, it works over wifi or cellular data. Anytime an iMessage is sent or received over cellular data, it will use your cellular data. In cases where iMessage switches to SMS, it does not use cellular data since SMS is sent over the cellular voice network.