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Product Comparison

Nuance Audio Glasses vs Oticon Zeal

Side-by-side HearAdvisor lab results with SoundGrades, expert pick badges, and the same visualizations we use in product reviews.

Uses Official HearAdvisor Lab Data
Expert Choice
Expert
Choice
Nuance Audio Glasses Hero
NuanceSoundGrade A

Nuance Audio Glasses

The Nuance Audio Glasses represent a distinctive entry in the premium OTC hearing aid market at $1,200, combining prescription eyewear functionality with hearing amplification in a single device. In HearAdvisor's lab testing, this hearing glasses design earned a SoundScore of 4.0/5 (A grade), ranking #20 among 65 OTC hearing aids tested. The standout strength of the Nuance Audio Glasses is exceptional own-voice comfort, scoring 4.7/5—an excellent result that sits 2.19 points above the OTC category average of 2.51/5. Speech clarity in quiet environments also performs well at 3.8/5, which is 1.05 points above average. Speech understanding in noisy situations scores 2.3/5, which is above the category average of 1.48/5, though still mixed in absolute terms. Notable limitations exist with this unique form factor. Music streaming scored 0.0/5, falling 1.92 points below the category average—a significant weakness for users who prioritize audio entertainment. Feedback handling at 2.0/5 also trails the category average by 2.54 points, indicating mixed stability performance in our standardized challenge tests. The Nuance Audio Glasses are best suited for consumers who want a discreet, all-in-one solution combining vision correction and hearing assistance, particularly those who prioritize natural own-voice quality and speech clarity over streaming media capabilities. Buyers seeking robust music streaming should consider alternatives in this price range.

Expert Choice
Expert
Choice
Product Image
OticonSoundGrade A

Oticon Zeal

The Oticon Zeal is a premium invisible-in-ear prescription hearing aid priced at $4,798. In HearAdvisor's lab testing, it earned an A grade with a SoundScore of 4.7/5, placing it in the top 11% of prescription hearing aids tested and ranking #5 of 36 devices in its category. Speech performance is where the Zeal truly excels. It achieved an excellent 4.9/5 in speech-in-quiet testing, scoring 1.56 points above the category average—among the strongest results we've measured. Speech-in-noise performance is solid at 3.0/5, which is 1.08 points above the category average of 1.96/5, making it notably better than typical prescription aids in challenging listening environments. Music streaming quality scores 3.3/5, sitting 0.66 points above category average and providing solid fidelity for phone audio. However, the Zeal shows some limitations in other areas. Own-voice comfort is mixed at 2.0/5, falling 0.75 points below the category average—users sensitive to how their own voice sounds may notice this. Feedback handling, while solid in absolute terms at 3.3/5, measures 1.41 points below the category average of 4.71/5. The Zeal is best suited for users who prioritize outstanding speech clarity in both quiet and moderately noisy settings, and who value quality audio streaming. Those particularly sensitive to own-voice perception or who need maximum feedback stability may want to discuss these tradeoffs with their hearing care provider.

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Performance metrics

Scale 1-5 (Tuned)

Lab metric by fit

Scale 1-5 (Tuned)

Speech in quietNew
Nuance Audio Glasses3.8
Oticon Zeal4.9
Speech in noiseNew
Nuance Audio Glasses2.3
Oticon Zeal3.0
Own voice
Nuance Audio Glasses4.7
Oticon Zeal2.0
Feedback handling
Nuance Audio Glasses2.0
Oticon Zeal3.3
Music streaming
Nuance Audio Glasses0.0
Oticon Zeal3.3
Overall fit score
Nuance Audio Glasses4.0
Oticon Zeal4.7

Speech level

Adjust input dB (Tuned)

Amplification (REIG)

Insertion gain at 65 dB (Tuned)

Fitting configuration for tuned fit

Nuance Audio GlassesOticon Zeal
Ear CouplingOther
Ear CouplingClosed Vented Dome
ReceiverIntegrated in device
Receiver75
Fitting FormulaProprietary manufacturer default
Fitting FormulaNAL-NL2
Listening ProgramProgram C
Listening ProgramGeneral (Automatic)
Volume Setting100% (Max volume)
Volume SettingAdjusted to match NAL-NL2 targets at 55, 65, and 75 dB SPL
Software Versionv6.10.5/3.5.0
Software VersionFirmware v1.0.0
Tuning AdjustmentsMy own voice set to "No", Personal calibration set to "Standard", Background noise set to "Lowered", Audio mode set to "Frontal"
Tuning AdjustmentsProgrammed to N3 audiogram, Feedback calibrated, Acclimatization at 3/3, Other settings at manufacturer defaults
NotesPerformance assumes temple size that places speaker outlet near top of ear. Scores reduce quickly as the speaker outlet gets further from ear.
Notesn/a