In iOS 14 appeared measuring noise levels function in real time.
The system tracks the volume of the surrounding sounds using the headphone microphones. Any model is supported, but for more accurate indicators, Apple recommends using AirPods.
How to enable noise measurement in iOS 14
- Open Settings → ControlCenter
2. Go to the Configure Controls section
3. In the list, select Hearing
4. Open the Control Center and click on the ear icon
If the volume of nearby sounds exceeds 80 dB, a warning message with a yellow exclamation mark will appear in the Control Center. [ 9to5Mac ]