The rollout coincides with the release of iOS 18.4, building on earlier features introduced in iOS 18.1.

The Hearing Aid feature enhances audio clarity for music, videos, and phone calls, applying personalized settings automatically.

This update includes a Hearing Test designed for individuals aged 18 and older, allowing users to detect mild to moderate hearing loss and activate the Hearing Aid function.

Apple has launched a firmware update in Australia that enables AirPods Pro 2 to function as hearing aids, incorporating a hearing test feature.

Developed over six years, these features include a scientifically validated hearing test and loud sound reduction, though they are not intended to replace traditional hearing aids.

Experts like Nicky Chong-White from National Acoustic Laboratories emphasize the importance of these features in addressing the impacts of hearing loss on communication and overall wellbeing.

Dr. Sumbul Desai, Apple's vice president of health, highlighted the need for accessible solutions for hearing loss, which affects approximately 1 billion people globally.

Currently, only one in five individuals who could benefit from hearing aids actually use them, indicating a significant opportunity for improvement in hearing health.

User experiences with the hearing test have varied, with some reporting challenges due to background noise.

Loud Sound Reduction helps minimize exposure to loud noises while maintaining audio clarity, utilizing the H2 chip to process sound at 48,000 times per second.

Both the Hearing Test and Hearing Aid features have undergone rigorous scientific validation, ensuring their reliability for users.

This announcement was first made during Apple's Glowtime event in September 2024, marking a significant advancement in accessible hearing technology.