TOP UTILITY ALERT TO RECEIVE ONE ALERT WHEN YOUR IPHONE IS "IN MUTE"!!
Are you in a meeting?!..at the cinema?!...with your friends?! When you have to receive a call or an important message, but you dont want hear the ringtones and dont want to see every second your iPhone, how do you do?!
Open Top Utility Alert, Choose the sound that you prefer and....wait!
...just one sound will alert you when you receive a call or a message!