A do not disturb app tends to be a good app especially to people who not want to be disturbed at a given time of the day. In a case where you are in a meeting or even sleeping, you would expect minimum disturbance. One would also need to note that do not disturb is a default setting which one can utilize in some specific days, hours or even when need be. There are instances when you do not want a call to make its way and hence the need to put your phone in do not disturb mode. You would need to note that the do not disturb option tends to work only when the phone is locked. The moment you have your phone or do not disturb mode, you would not expect any alerts, lighting, notification or even noise from the phone unless it is a set alarm. The best thing about do not disturb is that you tend to find all the messages, the notifications and missed calls the moment you switch on your phone. However, it is possible for your alarm to ring even when your phone is on do not disturb mode.
In a case where your screen is no and you are still on the phone, you would receive calls, notifications, and messages normally. Even when someone calls, the phone tends to go through but does not ring from your end. You would need to know that do not disturb tends to set on the moment you the screen is off. However, it would be possible to unlock the phone using the wake/sleep button, the home button and then dragging the slider. However, it would be essential to know that the mentioned procedure tends to work only when has set the phone into that mode. Learn more about mobile apps at https://en.wikipedia.org/wiki/Mobile_app.
It is also possible for one to schedule specific time when he or she should not be disturbed. One would have the do not disturb activated and may opt to change any time he or she wishes. The best thing about scheduling do not disturb on your phone is that it tends to turn it on or off depending on the settings. In the same manner, you can set the do not disturb into the frequency based setting which allows pressing calls to go through. This do not disturb app option tends to be good for anyone who would wish to reach one in a multiple of times.