Form-factor deep-dive
Hearables — the ear is quietly the best place to measure you
The wrist is convenient, but it's not a great place to take a measurement. The ear canal is, and a wave of in-ear devices is now moving from earbuds and hearing aids into real clinical sensing, and in some cases therapy.
Stable signal, less motion
The ear barely moves during daily activity, so in-ear sensors capture far fewer motion artifacts than a wrist bouncing through a run or a restless night.
Closer to the core
The ear is fed by the carotid arterial system, so its blood flow and temperature track core perfusion, and hold up when the body shuts down circulation to the hands and fingers during hypothermia, sepsis or shock.
Rich biomarkers
From one site the ear can yield PPG heart rate, SpO2, core-proxy temperature, EEG (ear-EEG can stage sleep and detect seizures) and even the acoustic signatures of respiratory illness.
From sensing to therapy
Hearables are crossing into treatment: transcutaneous vagus-nerve stimulation at the tragus targets stress, mood and inflammation, turning an earpiece into a therapeutic device.
In-ear devices in WearScore
Sorted by clinical value. Each card opens a full profile with three scores, data-access flags, strengths and weaknesses.
Clinical hearable · In-ear
Cosinuss c-med° alpha
A CE-marked in-ear vital-signs monitor used in mountain rescue and military medevac — the ear canal beats the wrist for motion and core readings.
70Clinical
45Empower
40Everyday
- Domains
- Cardiovascular · Respiratory
- Data
- API restricted · raw restricted
- Since
- 2020 · Late in cycle
Hearing aid + health/safety · In-ear
Starkey Genesis AI
An AI hearing aid built around geriatric safety — fall detection, activity tracking and caregiver alerts, with up to 51-hour battery.
45Clinical
38Empower
60Everyday
- Domains
- Activity / fitness · Cardiovascular
- Data
- API none · raw none
- Since
- Feb 2023 · Maturing
Therapeutic hearable (tVNS) · In-ear
Parasym Neurosym
A therapeutic earpiece that stimulates the vagus nerve at the ear (tVNS) for stress, mood and inflammation — wearable therapy, not just tracking.
40Clinical
35Empower
45Everyday
- Domains
- Brain & nervous system · Recovery / stress
- Data
- API none · raw none
- Since
- 2021 · Late in cycle
Consumer hearable · In-ear
Sennheiser Momentum Sport
Audiophile sport earbuds with a clinical-grade PPG heart-rate and body-temperature sensor built in.
40Clinical
42Empower
70Everyday
- Domains
- Cardiovascular · Activity / fitness
- Data
- API restricted · raw none
- Since
- May 2024 · Mid-cycle
Hearing aid + health tracker · In-ear
Phonak Audéo Fit
A hearing aid that also tracks heart rate and activity — health sensing folded into a device people already wear all day.
38Clinical
40Empower
62Everyday
- Domains
- Activity / fitness · Cardiovascular
- Data
- API restricted · raw none
- Since
- Aug 2022 · Late in cycle
In-development hearable sensor · In-ear
EarSwitch EarMetrics
A medical-grade sensor meant to drop into existing hearing aids and read blood pressure and respiration — turning everyday hearables into diagnostic tools.
30Clinical
30Empower
35Everyday
- Domains
- Cardiovascular · Respiratory
- Data
- API none · raw none
- Since
- In development · Newly launched
⚠ In development — not yet available
Patient education, not medical advice. The "clinical" devices here (e.g. Cosinuss c-med° alpha) are regulated medical or field devices; the consumer hearables carry general-wellness sensors, and EarSwitch EarMetrics is still in development. Verify regulatory status and availability with the manufacturer.