Clinical systems · AI digital stethoscopes
Eko Health
Eko Health is a medical device company in Emeryville, California, that makes digital stethoscopes and FDA-cleared AI software that flags heart murmurs, atrial fibrillation, and low ejection fraction during a routine exam, with more than 750,000 devices sold.
Strong fit
- Primary care clinicians who want help catching valve disease and heart failure during routine exams
- Nurse practitioners, physician assistants, and students who want louder, recordable heart and lung sounds
- Health systems and telehealth programs that want to share recorded heart sounds with cardiologists
Weak fit
- Clinicians outside the US who want the full AI feature set, which varies by country
- Buyers who want every software feature included with the device, with no membership
- Clinicians who never use the app and only need a basic acoustic stethoscope
Bottom line
Eko Health turns the stethoscope into a recording device with AI that flags heart murmurs, atrial fibrillation, and low ejection fraction at the point of care. It is worth buying for primary care and front-line clinicians who want a second check on what they hear, and the new CORE 300 brings the price close to a premium analog scope. The AI features require an Eko+ membership, and some reviewers report hardware and support problems.
Score breakdown
Weights: Outcomes 35% · Product 30% · Implementation 20% · Pricing clarity 15%.
Eko Health is used by individual clinicians and by health systems. Primary care doctors, nurse practitioners, emergency physicians, and students buy its stethoscopes to hear more clearly, record heart and lung sounds, and see a waveform on a phone. When a recording goes through the Eko app, FDA-cleared algorithms can flag a structural heart murmur, atrial fibrillation, and low ejection fraction, a sign of a weak heart pump. Eko's Series D announcement cites a Massachusetts General Hospital study in which the murmur algorithm doubled the rate of structural murmur detection in primary care.
On price, Eko sells at the top of the stethoscope market and publishes its prices. Its online store lists the CORE 500 at $449, the new CORE 300 at $249, the CORE digital attachment for an existing stethoscope at $259, and the Eko+ membership that unlocks AI and other app features at $12.99 a month or $119.99 a year. Its main competition is the analog stethoscope, including 3M Littmann models, and Eko also partners with Littmann on the 3M Littmann CORE Digital Stethoscope.
The weak spots show up in public reviews. On Reviews.io, Eko holds a 4.4 rating from 419 reviews, but the recent reviews include failed buttons and batteries, slow replies from support, and frustration that some app features moved behind the paid Eko+ membership. Buyers outside the US also report that some features are not available in their country.
Connor Landgraf co-founded Eko in 2013 as a senior thesis project at UC Berkeley and is still CEO. The company has raised more than $165 million, including a $41 million Series D in 2024. It does not publish revenue. Its revenue is an estimated $35 million a year, based on more than 750,000 devices sold since launch at list prices of $249 to $449 plus Eko+ memberships.
What clinicians say
What people like
"I've been a practicing ER physician for >20 years and appreciate the finer feature of this including the ability to control the volume, automatic equalizer for lung/heart auscultation." Reviews.io
"Fantastic customer service! Casey was absolutely delightful. I had an issue with my eko500, the outer casing spontaneously cracked, she swiftly arranged for a replacement!" Reviews.io
What people don't like
"After just one year of use, the electronic components in my Core 500 completely gave out. It will no longer hold a charge or turn on, rendering it completely useless." Reviews.io
"A month after the purchase they removed these features from the free app and introduced EKO+ and want 10$/month for features I already paid for." Reviews.io
Pricing
| Item | Detail |
|---|---|
| Devices | CORE 500 digital stethoscope: $449 (silver; other colors up to $524). CORE 300 digital and analog stethoscope: $249. CORE digital attachment: $259. 3M Littmann CORE Digital Stethoscope: $379. |
| Eko+ membership | $12.99 a month or $119.99 a year after a 14-day trial; unlocks AI analysis and other app features. Basic recording stays free. |
| Health systems | Enterprise deals for health systems and telehealth programs are sold through Eko's sales team. |
| Accessories | Replacement CORE 500 chestpiece $349, earpiece $100, case $40. |
Leadership
Connor LandgrafCo-founder and CEO- Steven R. Steinhubl, MDChief Medical Officer
Recent news
- October 2026: Eko received FDA clearance for and launched the CORE 300, a stethoscope that switches between analog and digital listening with a twist of the chestpiece, with 35x amplification and AI murmur detection through the Eko app.
- May 2026: Eko announced 750,000 devices sold worldwide, along with 9 FDA clearances for devices and algorithms and more than 70 peer-reviewed studies.
Methodology
| Weight | Factor | What it measures |
|---|---|---|
| 35% | Customer outcomes | Whether buyers get measurable operational or clinical-workflow results after go-live |
| 30% | Product | Capability depth, reliability, and fit for the job the category buys |
| 20% | Implementation | How hard it is to stand up, integrate, train, and stabilize |
| 15% | Pricing clarity | Whether a buyer can model total cost without a mystery quote |
| Label | Meaning |
|---|---|
| Highly recommend | Strong outcomes and product with manageable caveats |
| Recommend | Solid fit for the right buyer; know the tradeoffs |
| Conditional | Only with a specific use case or heavy caveats |
| Not recommended | Avoid for most buyers in this category |
Read our full methodology for how we weight scores and assign recommend labels.