Nuance Audio App

Unless noted, features apply to iPhone and Android.

1. Evidence: 7.2.1 Creation of the Nuance Audio App user account (PDF page 12, US English section).
2. The app is a free download with no subscription documented, but it only works with purchased Nuance Audio glasses.
3. A network connection is required for pairing the glasses, account registration/sign-in and firmware upgrades; the IFU does not say a connection is needed for day-to-day setting changes.
4. Applies to account and device profile data, which are mandatory, and to usage, debug and environment-noise data, which are collected only with consent. The developer does not document where audio is stored.
5. The iOS App Privacy label lists Audio Data (User Content) as collected for App Functionality and not linked to identity. Under Apple's definitions, collected data is transmitted off the device. The developer does not say which workflow sends the audio. The developer FAQ separately lists environment-noise data as collected only with consent.
6. Evidence: 7.4.2 Personal Information > Delete account (PDF page 14, US English section).
7. A prospective within-subject study at the National Acoustic Laboratories with 20 participants and short supervised exposure. Participants were not blinded, and the authors include EssilorLuxottica staff. The study evaluates the glasses used with the app, not the app alone, and does not name the app version or phone platform.
8. The phone microphone is used only for the informational Noise tracking measurement and requires microphone permission. Hearing amplification uses the glasses' own microphones. Evidence: 7.3.2 Noise tracking (PDF page 13, US English section).
9. Evidence: 7.3 Application main page, Preset Fitting Settings note (PDF page 13, US English section).
10. Needs paired Nuance Audio glasses. Audio Mode switches between Frontal (directional beamforming) and All-around. The same switch is also available on the glasses' tap area and the optional Remote Control. Evidence: 7.3.6 Audio Mode (PDF page 13, US English section).
11. Nuance Audio Glasses IFU Rev 9, English section: paired compatible glasses; firmware update requires adequate charge and documented setup. Region/product edition differences remain relevant.
12. Compatible Nuance Audio glasses paired with the app; app configuration is for adults aged 18 and older.
13. The developer says the app is compatible with Apple Watch with a 40 mm or larger display, and the App Store lists watchOS 10.0 or later. It does not document which controls are available on the watch.
14. Bluetooth LE connection to paired Nuance Audio glasses. The IFU lists the glasses as not phone-call compatible over Bluetooth, and the developer documents no media or microphone streaming. Minimum OS: iOS 16.6.1 / Android 12 (per IFU). Evidence: 6. The Nuance Audio Hearing Aid, Nuance Audio App component (PDF page 11, US English section).