iOS App 'UVLens' Apparently Hacked, Sends Out Very Inappropriate Notifications [Updated]

An iOS App Store weather app called "UVLens" this morning sent out highly inappropriate pornographic notifications to all of its users, suggesting the app may have been hacked or otherwise compromised in some way.There are dozens of complaints from users on Twitter who received the notification, which was in no way weather related and was explicit enough to shock users who received it.
UVLens is a simple app designed to provide hourly UV forecasts for those who are concerned about their sun expo