[Broken_Hippo]

I very highly doubt it: They cannot very well have people's hearing aids fail to work if some sort of doom destroys the phone.

It is probably simply that it isn't so absolutely difficult for Apple to start making these. The company is already experienced in making small electronics, earbuds, and things like this.

[bayindirh]

They know how to make feedback-based sound equalization via their latest generations of airpods. This bit is very important for adapting the devices to the hearing loss profiles of patients.

This is what made them extremely expensive for a good part of their history. Adaptability and auto-adaptability.

Also, they're very small electronics for what they do.