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Digital HealthA working wearable is only half the health-data storySmart LivingAirthings adds a next step after the radon readingSleep & WellnessSamsung's sleep update puts screening and coaching on different tracksAI & HealthThe medical AI debate needs a failure plan, not a bigger promise
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THE VITALNEX DEVICE LAB

The device database.

Explore sensors, platform support and price conditions.
Source-linked specifications, ready to compare.

08SOURCE-LINKED PROFILES

Know the source. Real-device specifications come from linked manufacturer pages and carry a check date. They are not independent test results. Archived demo devices remain clearly labeled.

8 devices
Smartwatch category illustration, not a photograph of this exact modelSmartwatchCategory illustration
AppleNot rated

Apple Watch Series 12 · 42 mm GPS

A source-based profile of the 42 mm GPS Series 12. Apple lists 24-hour normal-use and 38-hour Low Power battery claims, with a 32.2 g aluminum case. The practical choice starts with iPhone compatibility, desired health features and charging routine; these specifications are not independent performance measurements.

11 listed sensorsUp to 24 hours normal use; 38 hours Low Power Mode (Apple claim)

Specs checked Nov 5, 2026

$399US source price · see terms
Smart ring category illustration, not a photograph of this exact modelSmart ringCategory illustration
OuraNot rated

Oura Ring 5

A screen-free titanium ring with manufacturer-reported 6–9-day battery life and weight from 2 g. Choosing the right sizing kit and understanding membership access matter more than comparing dashboard totals. Specifications, prices and membership terms were rechecked; no sensor-accuracy verdict or medical diagnosis is implied.

3 listed sensorsTypically 6–9 days, depending on size and use (Oura claim)

Specs checked Nov 5, 2026

$399US source price · see terms
Smartwatch category illustration, not a photograph of this exact modelSmartwatchCategory illustration
SamsungNot rated

Samsung Galaxy Watch9 · 40 mm

A 40 mm Android smartwatch with a 390 mAh listed battery. Samsung’s November 3 release lists U.S. Sleep Apnea support on Watch9 with Wear OS 7 or later. That defined screening feature has different eligibility and intended use from the watch’s general wellness scores. No independent hardware or clinical rating is assigned.

9 listed sensors390 mAh (40 mm capacity); runtime not independently verified

Specs checked Nov 5, 2026

$379.99US source price · see terms
Smart ring category illustration, not a photograph of this exact modelSmart ringCategory illustration
SamsungNot rated

Samsung Galaxy Ring

A screen-free ring with three listed sensor types. Samsung’s November 3 U.S. release adds eligible Sleep Apnea screening through Samsung Health Monitor following FDA clearance and Korean approval. The feature requires compatible devices and local availability; a ring’s wellness scores remain distinct from this specifically indicated screening function.

3 listed sensorsUp to 7 days for sizes 12–13; up to 6 days for smaller sizes (Samsung claim)

Specs checked Nov 5, 2026

$299.99US source price · see terms
Fitness band category illustration, not a photograph of this exact modelFitness bandCategory illustration
Google FitbitNot rated

Google Fitbit Edge

A display-equipped tracker with onboard GPS, a physical side button and a listed seven-day battery target. The Google Store identifies a user-replaceable battery and conditional health functions. Check which features need a paid plan before comparing ownership costs; this profile does not independently validate its wellness estimates.

8 listed sensorsUp to 7 days (Google claim; use and settings affect runtime)

Specs checked Nov 5, 2026

$179.99US source price · see terms
Smartwatch category illustration, not a photograph of this exact modelSmartwatchCategory illustration
GarminNot rated

Garmin Venu 4 · 45 mm

The 45 mm Venu 4 lists up to 12 days in smartwatch mode, or four days with the display always on. Specifications were rechecked on Garmin’s regional page. That mode difference is useful for planning a charging routine; current US price and market-specific medical-feature access remain separate checks.

8 listed sensorsUp to 12 days smartwatch mode; 4 days always-on (Garmin claim)

Specs checked Nov 5, 2026

Check manufacturerPrice not verified
Air monitor category illustration, not a photograph of this exact modelAir monitorCategory illustration
AirthingsNot rated

Airthings View Plus

An indoor monitor listing radon, PM2.5, CO2, VOCs, temperature, humidity and air pressure. Airthings now documents a referral route to local radon professionals in selected markets, including View Plus users. A monitor’s value includes how clearly it supports a next step; the device is not a substitute for certified safety alarms.

7 listed sensorsUp to 2 years on 6 AA batteries, or USB-C power (Airthings claim)

Specs checked Nov 5, 2026

Check manufacturerPrice not verified
Sleep tracker category illustration, not a photograph of this exact modelSleep trackerCategory illustration
WithingsNot rated

Withings Sleep · US

A continuously powered, under-mattress sensor sold as Withings Sleep in the US. Its lack of a wristband may suit someone who prefers unattended tracking, but phone requirements should be confirmed because the official page lists conflicting minimum versions. This entry is not a clinical assessment or a profile of Sleep Analyzer or prescription Sleep Rx.

2 listed sensorsNo battery; requires 5 V / 1 A USB power

Specs checked Nov 5, 2026

$199.95US source price · see terms

Real devices are not independently rated. Demo scores are illustrative. Unlisted prices remain visible when using the price filter.