With these simple steps, you’ll know who’s trying to reach you just by the sound of the alert. It’s that easy and incredibly convenient. Give it a try, and never miss an important message again.

Changing app alert tones is a great way to help you distinguish between notifications on your iPhone. You'll know if you're receiving a text or an email without taking your iPhone out of your pocket.

Staying aware of your surroundings matters. That includes hearing smoke alarms, appliance beeps or a knock at the door. Still, real life gets busy. You wear headphones. You get focused. Sounds slip by ...