12 Pro Max Alarm

Is it decreasing when you look at the phone? If so, go to Settings>Accessibility>Face ID & Attention>Attention Aware Features and turn that off.

Hello, KlynnH01.

We'd advise checking the steps in the following article for help with iPhone alarms: How to set and change alarms on your iPhone - Apple Support. Make sure to check the 'If the alarm volume is too low or quiet' section at the bottom:

"Do Not Disturb and the Ring/Silent switch don't affect the alarm sound.

If you set your Ring/Silent switch to Silent or turn on Do Not Disturb, the alarm still sounds.

1. Set the volume on your iPhone. If your alarm volume is too low or too loud, press the volume button up or down to adjust it. You can also go to Settings > Sounds & Haptics and drag the slider under Ringer and Alerts.
2. If your alarm only vibrates, make sure that your alarm sound isn't set to None. Open the Clock app, tap the Alarm tab, then tap Edit. Tap the alarm, then tap Sound and choose a Sound.
3. If you connect headphones to your iPhone, the alarm plays at a set volume through the built-in speakers on your iPhone as well as wired and wireless headphones.
4. Manually adjusting the time on your iPhone in Settings to change app behavior, like game timers, isn't recommended and can affect alarms."

Let us know if we can help with anything else at all or if this doesn't settle your issue. Thanks and have a fabulous day!