Often when your smartphone rings, it is close enough for you to hear, even when it only vibrates.
If you do not like to hear the sound of your phone ringing or worry that the noise may bother other people;
also, if you can not leave your phone only vibrating because important calls can be missed, this app is for you.
It sets your mobile so that when an incoming call arrives it starts vibrating and, after a certain time,
it plays the ringtone with volume increasing gradually. Just install this app on your phone that it will be working well,
no additional configuration is required. But if you want to change the default settings, as how much time to play the ringtone after start vibrating
or the speed of the volume increasing, it can be configured very easily and intuitively.