How to use rain, dark noise, and more background sounds in iOS 15
If you need noise to distract you, but music is too much, your iPhone can now provide Background Sounds to help, in iOS 15.
Heading in Control Center
If you need silence while you work, your best bet is to use the noise cancelling feature on AirPods Pro. It won't cut out everything, but it's good for muffling the sound of traffic, for instance.
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