Android has a similar, if less advanced, feature called "Sound Amplifier", which can be used with any headphones. https://mcmw.abilitynet.org.uk/using-your-dev

Android has a similar, if less advanced, feature called "Sound Amplifier", which can be used with any headphones. https://mcmw.abilitynet.org.uk/using-your-device-hearing-aid-sound-amplifier-android-10 https://mcmw.abilitynet.org.uk/using-your-device-hearing-aid... Its a bit clunky, but I think the reach is much higher as even people without access to healthcare may have an android phone and a pair of headphones.