Will the Alarm Go Off If My iPhone is On Silent Or Do Not Disturb Mode? As long as your iPhone is on, the alarm will still sound. So yes, your alarm will sound if your iPhone is in Silent mode or Do Not Disturb mode.

How do I silence my iPhone but keep alarm on?

Use your phone's silent switch

Instead of using the volume buttons to make your phone silent throughout the day, just use the silent switch (above the volume buttons) to turn your phone's ringer off. This will turn off your phone's ringer but leave your alarm intact.

Will the alarm work when phone is on silent?

Android offers pretty granular settings when it comes to Do Not Disturb—you can choose whether or not to allow alarms through on most phones. To check these settings, pull down the notification shade, and then find the “Do Not Disturb” icon (you may have to pull the shade down twice on some phones).