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By manufacturer
Every rated device grouped by the company that makes it — 58 manufacturers, 84 devices. Jump to a maker, or open any device for its full profile.
Garmin 5Withings 5Abbott 3Amazfit 3Apple 3Polar 3AliveCor 2Circular 2COROS 2Dexcom 2Fitbit 2Muse 2RingConn 2Samsung 2Senseonics 2Sky Labs 2Astinno 1Ava 1Baxter 1Biobeat 1BioIntelliSense 1BodiMetrics 1Clair Health 1Cosinuss 1EarSwitch 1Eli Health 1Empatica 1EnLiSense 1Fourth Frontier 1Google 1hDrop Tech 1Hexoskin 1Hilo 1Huawei 1iRhythm 1J-Style 1Know Labs 1Medtronic 1Movano 1Muse Wearables 1Nanowear 1Noise 1Omron 1Oura 1Owlet 1Parasym 1Phonak 1Qardio 1Sennheiser 1SiBionics 1Starkey 1Suunto 1Tempdrop 1Ultrahuman 1Wahoo 1Wellue 1WHOOP 1Xiaomi 1
Garmin
5 devices Clinical avg 41 Empower avg 74 Everyday avg 76
Consumer flagshipWatch
Garmin Fenix 8
Garmin’s flagship multisport watch — FDA-cleared ECG, dive computer, huge battery, and open data export.
API open Raw open GitHub
Consumer flagshipWatch
Garmin Venu 3
A polished AMOLED health-and-fitness watch with an FDA-cleared ECG and Garmin’s open data export.
API open Raw open GitHub
Consumer flagshipWatch
Garmin Forerunner 965
A premium AMOLED running watch with Garmin’s open data — but no ECG, despite the price.
API open Raw open GitHub
Consumer flagshipWatch
Garmin Instinct 3
A rugged, ultra-long-battery outdoor watch with Garmin’s open data — wellness-only, no ECG.
API open Raw open GitHub
Consumer flagshipWatch
Garmin Lily 2
A small, stylish women’s-focused watch with Garmin’s open data — wellness-only, no ECG.
API open Raw open GitHub
Withings
5 devices Clinical avg 62 Empower avg 75 Everyday avg 54
Clinical / medical-gradeBP cuff
Withings BPM Connect
An FDA-cleared upper-arm blood-pressure monitor with open data export and no subscription — the clinically preferred cuff method.
API restricted Raw open GitHub
Recovery / wellnessWatch
Withings ScanWatch 2
Hybrid smartwatch with FDA-cleared ECG, SpO2, and AFib — and no paywall on the medical features.
API open Raw open GitHub
Clinical / medical-gradeOther
Withings Body Scan
A smart scale with an FDA-cleared 6-lead ECG and segmental body composition — own the device, export the data.
API restricted Raw open GitHub
⚠ Not yet FDA-cleared / not sold in US
Clinical / medical-gradeBP cuff
Withings BPM Core
A 3-in-1 arm cuff with ECG and a digital stethoscope — CE-marked in Europe, but still "coming soon" (not FDA-cleared) in the US.
API restricted Raw open GitHub
Recovery / wellnessWatch
Withings ScanWatch Light
A minimalist hybrid watch with Withings’ open data — but it drops the ECG, SpO2, and AFib of the ScanWatch 2.
API open Raw open GitHub
Abbott
3 devices Clinical avg 85 Empower avg 64 Everyday avg 58
⚠ Class I recall (2026)
Clinical / medical-gradePatch / sensor
Abbott FreeStyle Libre 3 / Lingo
Sub-8% MARD continuous glucose with a clinician data hub — and a consumer OTC spin-off.
API restricted Raw restricted GitHub
Clinical / medical-gradePatch / sensor
Abbott FreeStyle Libre 2
The widely-used prior-gen CGM — FDA-cleared, accurate, broadly covered, with optional glucose alarms.
API restricted Raw restricted GitHub
Clinical / medical-gradePatch / sensor
Abbott Lingo
An OTC glucose biosensor for metabolic coaching — FDA-cleared, syncs to Apple Health, but a recurring cost and not for insulin users.
API none Raw restricted No repo
Amazfit
3 devices Clinical avg 28 Empower avg 46 Everyday avg 67
⚠ Oura ITC patent suit (2025)
Recovery / wellnessRing
Amazfit Helio Ring
An athlete-recovery ring with no subscription — wellness-only, and now named in Oura’s 2025 ITC patent suit.
API none Raw restricted GitHub
⚠ Markets ECG — not FDA-cleared
Consumer flagshipWatch
Amazfit Active 2
A remarkable-value AMOLED smartwatch with offline maps — but it markets an ECG that isn’t FDA-cleared.
API none Raw restricted GitHub
Consumer flagshipWatch
Amazfit Balance
An affordable AI-flavored health watch — wellness-only, no ECG, with a closed data ecosystem.
API none Raw restricted GitHub
Apple
3 devices Clinical avg 66 Empower avg 63 Everyday avg 80
⚠ SpO2 in legal limbo
Consumer flagshipWatch
Apple Watch Ultra 2
Apple’s rugged flagship with the strongest cleared cardiac + sleep-apnea features — and hard iPhone lock-in.
API restricted Raw open No repo
⚠ SpO2 in legal limbo
Consumer flagshipWatch
Apple Watch (Series 10)
The best-studied consumer wearable: ECG, AFib History, and first-of-kind sleep-apnea risk — free, but iPhone-only.
API restricted Raw open No repo
Consumer flagshipWatch
Apple Watch SE (2nd gen)
The budget Apple Watch — FDA-cleared AFib notifications, but no ECG, SpO2, or sleep-apnea sensor.
API restricted Raw open No repo
Polar
3 devices Clinical avg 36 Empower avg 80 Everyday avg 69
Consumer flagshipChest strap
Polar H10
The research-grade chest strap that other wearables are validated against — open data, no subscription, but HR-only.
API open Raw open GitHub
Consumer flagshipWatch
Polar Vantage V3
A training-and-recovery multisport watch with one of the most open data ecosystems here — but wrist ECG and SpO2 are wellness-only, with no clearances.
API open Raw open GitHub
Consumer flagshipWatch
Polar Grit X2 Pro
A rugged outdoor training watch with open data and no subscription — but its wrist ECG and SpO2 are wellness-only.
API open Raw open GitHub
AliveCor
2 devices Clinical avg 76 Empower avg 86 Everyday avg 46
Clinical / medical-gradeOther
KardiaMobile 6L
The most validated personal ECG: a 6-lead reading in 30 seconds, free PDF export, no prescription.
API none Raw restricted No repo
Clinical / medical-gradeOther
KardiaMobile (1-lead)
The original, inexpensive FDA-cleared single-lead personal ECG — free PDF export, no prescription, deep validation.
API none Raw restricted No repo
Circular
2 devices Clinical avg 25 Empower avg 42 Everyday avg 52
⚠ ECG/AFib clearance unverified
Recovery / wellnessRing
Circular Ring 2
A feature-packed startup ring that markets an on-demand ECG and AFib — but the FDA clearance is unverified and features have slipped.
API none Raw restricted No repo
⚠ Reliability concerns reported
Budget smart ringRing
Circular Ring Slim
An ultra-thin 2.2mm ring with haptic alarms and an AI assistant — ambitious features undercut by accuracy and stability problems.
API none Raw none No repo
COROS
2 devices Clinical avg 28 Empower avg 70 Everyday avg 72
Consumer flagshipWatch
COROS Apex 2 Pro
A rugged outdoor watch with offline maps, huge battery, and open export — subscription-free and wellness-only.
API none Raw open No repo
Consumer flagshipWatch
COROS Pace 3
A featherweight, subscription-free running watch with open data export — wellness-only, no ECG.
API none Raw open No repo
Dexcom
2 devices Clinical avg 85 Empower avg 64 Everyday avg 57
⚠ FDA warning letter (2025)
Clinical / medical-gradePatch / sensor
Dexcom G7 / Stelo
Insulin-dosing-grade continuous glucose, with CSV export, clinician sharing, and an OTC option.
API open Raw open GitHub
Clinical / medical-gradePatch / sensor
Dexcom Stelo
The first OTC continuous glucose biosensor — FDA-cleared, no prescription, but app-walled and not for insulin users.
API none Raw restricted GitHub
Fitbit
2 devices Clinical avg 54 Empower avg 41 Everyday avg 67
Consumer flagshipBand / strap
Fitbit Charge 6 / Sense 2
Cleared ECG and AFib, but the insight and your own export sit behind Fitbit Premium.
API restricted Raw restricted GitHub
Consumer flagshipBand / strap
Fitbit Inspire 3
A $100 band with FDA-cleared AFib notifications — wellness-only otherwise, with Premium gating and Google lock-in.
API restricted Raw restricted No repo
Muse
2 devices Clinical avg 28 Empower avg 56 Everyday avg 55
Recovery / wellnessOther
Muse S Athena
A brain-sensing headband combining EEG and fNIRS for sleep and meditation — wellness-only, but unusually open to raw brain data.
API restricted Raw restricted GitHub
Recovery / wellnessOther
Muse 2
The classic brain-sensing meditation headband — EEG, heart, breath and body feedback; wellness-only but research-popular.
API restricted Raw restricted GitHub
RingConn
2 devices Clinical avg 33 Empower avg 66 Everyday avg 66
Recovery / wellnessRing
RingConn Gen 3
A subscription-free ring adding nighttime blood-pressure trends and an alert motor — wellness-only, US-available via the Oura license.
API none Raw restricted No repo
Recovery / wellnessRing
RingConn Gen 2
A subscription-free ring with CSV export and sleep-apnea monitoring — wellness-only, but it settled with Oura so it keeps selling in the US.
API none Raw open No repo
Samsung
2 devices Clinical avg 50 Empower avg 48 Everyday avg 69
Consumer flagshipWatch
Samsung Galaxy Watch 7 / Ultra
First FDA-authorized OTC sleep-apnea detection and free clinical features — locked to Samsung phones.
API restricted Raw restricted No repo
⚠ Oura ITC patent suit (2025)
Recovery / wellnessRing
Samsung Galaxy Ring
A sleek sleep-and-recovery ring tied to Samsung Health — wellness-only, and best with a Samsung phone.
API restricted Raw restricted No repo
Senseonics
2 devices Clinical avg 85 Empower avg 55 Everyday avg 49
Clinical / medical-gradeImplant
Eversense 365
The first year-long implantable CGM, PMA-approved — but surgical insertion and calibration gate access.
API open Raw open No repo
Clinical / medical-gradeImplant
Eversense E3
The 180-day implantable CGM — PMA-approved and accurate, but with surgical insertion and twice-daily calibration.
API open Raw open No repo
Sky Labs
2 devices Clinical avg 63 Empower avg 35 Everyday avg 55
⚠ Not FDA-cleared / not sold in US
Clinical / medical-gradeRing
Sky Labs CART-I
The world's first medical-grade ring for continuous AFib detection — Korea-approved and more sensitive than the Apple Watch in a study, but not yet FDA-cleared.
API none Raw restricted No repo
⚠ Not FDA-cleared / not sold in US
Clinical / medical-gradeRing
Sky Labs CART BP
A cuffless 24-hour blood-pressure ring — in Korea’s hypertension guidelines, but not FDA-cleared or sold in the US.
API none Raw restricted No repo
Astinno
1 device Clinical avg 30 Empower avg 30 Everyday avg 45
Ava
1 device Clinical avg 48 Empower avg 40 Everyday avg 58
Baxter
1 device Clinical avg 88 Empower avg 24 Everyday avg 42
Biobeat
1 device Clinical avg 75 Empower avg 45 Everyday avg 40
BioIntelliSense
1 device Clinical avg 78 Empower avg 30 Everyday avg 52
BodiMetrics
1 device Clinical avg 72 Empower avg 58 Everyday avg 48
Clair Health
1 device Clinical avg 35 Empower avg 45 Everyday avg 55
Cosinuss
1 device Clinical avg 70 Empower avg 45 Everyday avg 40
EarSwitch
1 device Clinical avg 30 Empower avg 30 Everyday avg 35
Eli Health
1 device Clinical avg 50 Empower avg 55 Everyday avg 50
Empatica
1 device Clinical avg 72 Empower avg 55 Everyday avg 45
EnLiSense
1 device Clinical avg 45 Empower avg 55 Everyday avg 30
Fourth Frontier
1 device Clinical avg 46 Empower avg 62 Everyday avg 50
1 device Clinical avg 64 Empower avg 42 Everyday avg 70
hDrop Tech
1 device Clinical avg 35 Empower avg 48 Everyday avg 60
Hexoskin
1 device Clinical avg 74 Empower avg 76 Everyday avg 44
Hilo
1 device Clinical avg 70 Empower avg 52 Everyday avg 66
Huawei
1 device Clinical avg 58 Empower avg 34 Everyday avg 55
iRhythm
1 device Clinical avg 90 Empower avg 22 Everyday avg 40
J-Style
1 device Clinical avg 40 Empower avg 75 Everyday avg 35
Know Labs
1 device Clinical avg 28 Empower avg 35 Everyday avg 45
Medtronic
1 device Clinical avg 84 Empower avg 58 Everyday avg 54
Movano
1 device Clinical avg 30 Empower avg 50 Everyday avg 56
Muse Wearables
1 device Clinical avg 25 Empower avg 35 Everyday avg 55
Nanowear
1 device Clinical avg 70 Empower avg 40 Everyday avg 30
Noise
1 device Clinical avg 28 Empower avg 46 Everyday avg 54
Omron
1 device Clinical avg 74 Empower avg 70 Everyday avg 40
Oura
1 device Clinical avg 38 Empower avg 50 Everyday avg 66
Owlet
1 device Clinical avg 74 Empower avg 58 Everyday avg 60
Parasym
1 device Clinical avg 40 Empower avg 35 Everyday avg 45
Phonak
1 device Clinical avg 38 Empower avg 40 Everyday avg 62
Qardio
1 device Clinical avg 72 Empower avg 24 Everyday avg 34
Sennheiser
1 device Clinical avg 40 Empower avg 42 Everyday avg 70
SiBionics
1 device Clinical avg 70 Empower avg 48 Everyday avg 56
Starkey
1 device Clinical avg 45 Empower avg 38 Everyday avg 60
Suunto
1 device Clinical avg 28 Empower avg 72 Everyday avg 70
Tempdrop
1 device Clinical avg 45 Empower avg 45 Everyday avg 55
Ultrahuman
1 device Clinical avg 32 Empower avg 52 Everyday avg 62
Wahoo
1 device Clinical avg 20 Empower avg 56 Everyday avg 36
Wellue
1 device Clinical avg 70 Empower avg 76 Everyday avg 52
WHOOP
1 device Clinical avg 40 Empower avg 28 Everyday avg 58
Xiaomi
1 device Clinical avg 22 Empower avg 44 Everyday avg 64
A manufacturer with one device today will group more as the directory grows — add devices on the Add a device page.