Cardiac signal
Aidlab 2
Raw 1-lead electrical ECG plus ECG-derived heart rate and RR intervals
Empatica EmbracePlus
Multi-wavelength optical PPG/BVP; no ECG sensor is listed for EmbracePlus
Product comparison
Aidlab 2 vs Empatica EmbracePlus
EmbracePlus is a regulated wrist platform built around PPG, EDA, temperature, motion, and managed digital measures. Aidlab 2 is a chest system built around raw ECG, ECG-derived timing, direct chest respiration, EDA, and custom SDK integration.
COMPARED MODEL
Empatica EmbracePlus
Wrist-worn multisensor platform with managed software
- 4-channel multi-wavelength PPG, ventral wrist EDA, temperature, accelerometer, and gyroscope [4][5]
- Respiratory rate is offered as a platform digital measure rather than a direct chest-movement channel [6]
- FDA-cleared as part of the Empatica Health Monitoring Platform and CE Class IIa [4][6]
EDITORIAL INTERPRETATION
The 30-second verdict
This decision guide is Aidlab's interpretation of the documented capabilities below, not a controlled head-to-head result.
CHOOSE AIDLAB 2 IF
- Raw electrical ECG and ECG-derived timing are protocol requirements.
- Respiration should come from direct chest movement in the same worn system.
- A custom live integration path is more important than a regulated managed platform.
CHOOSE EMPATICA EMBRACEPLUS IF
- Wrist-worn longitudinal monitoring and participant convenience lead the decision.
- PPG, EDA, temperature, motion, and managed digital measures fit the endpoint plan.
- The FDA-cleared and CE Class IIa platform status is required for the deployment.
DECISION BOUNDARY
Aidlab 2 and EmbracePlus do not observe cardiac and respiratory activity in the same way. Choose the required sensing origin and regulatory context before comparing feature counts.
DOCUMENTED CAPABILITIES
Sensing location, signal origin, and platform
Electrical chest ECG and optical wrist PPG answer different protocol questions. The rows keep raw sensors separate from derived digital measures.
| Criterion | Aidlab 2 | Empatica EmbracePlus | Editorial interpretation |
|---|---|---|---|
| Cardiac signal | Raw 1-lead electrical ECG plus ECG-derived heart rate and RR intervals | Multi-wavelength optical PPG/BVP; no ECG sensor is listed for EmbracePlus | |
| EDA | Electrodermal activity from the chest-worn system | Ventral wrist EDA sensor | |
| Respiration | Direct chest-movement waveform and respiration rate | Respiratory digital measures are available through the platform; no direct chest-respiration sensor is listed | |
| Other raw sensing | Skin temperature, 9-axis motion, microphone, and GNSS | Skin temperature, acceleration, gyroscope, BVP, and systolic peaks | |
| Regulatory context | Aidlab 2 is positioned as a research and development wearable, not a medical device | EmbracePlus is listed as part of an FDA-cleared and CE Class IIa platform | |
| Best fit | Custom ECG products, HRV and respiration studies, biofeedback, and multimodal field research | Decentralized trials and long-term wrist-worn monitoring with managed digital measures |
EDA
Aidlab 2
Electrodermal activity from the chest-worn system
Empatica EmbracePlus
Ventral wrist EDA sensor
Respiration
Aidlab 2
Direct chest-movement waveform and respiration rate
Empatica EmbracePlus
Respiratory digital measures are available through the platform; no direct chest-respiration sensor is listed
Other raw sensing
Aidlab 2
Skin temperature, 9-axis motion, microphone, and GNSS
Empatica EmbracePlus
Skin temperature, acceleration, gyroscope, BVP, and systolic peaks
Regulatory context
Aidlab 2
Aidlab 2 is positioned as a research and development wearable, not a medical device
Empatica EmbracePlus
EmbracePlus is listed as part of an FDA-cleared and CE Class IIa platform
Best fit
Aidlab 2
Custom ECG products, HRV and respiration studies, biofeedback, and multimodal field research
Empatica EmbracePlus
Decentralized trials and long-term wrist-worn monitoring with managed digital measures
No equivalence between ECG-derived RR intervals and PPG-derived pulse intervals is claimed. Regulatory status applies to the named Empatica platform and does not transfer to Aidlab 2.
CHEST ELECTRICAL ↔ WRIST OPTICAL
Where the physiological data comes from
A shared label such as “heart rate” or “respiration” can hide a different sensor, body location, and processing path.
Cardiac signal
Aidlab 2
A chest electrode strap provides a raw 1-lead electrical ECG and ECG-derived RR intervals.
Empatica EmbracePlus
A multi-wavelength optical PPG at the wrist provides BVP, pulse measures, and systolic-peak intervals.
Raw ECG morphology requires an ECG signal; a PPG platform serves a different measurement path.
Respiratory information
Aidlab 2
Chest movement is a directly documented raw waveform and respiration-rate input.
Empatica EmbracePlus
Respiratory rate is documented as a platform digital measure; no direct chest sensor is listed.
A derived respiratory measure is not interchangeable with a raw chest-movement channel.
Study operations
Aidlab 2
A research wearable and SDK path for custom applications.
Empatica EmbracePlus
A managed cloud, Care software, sensor modes, and regulated platform for remote monitoring.
Choose the software and regulatory operating model required by the study.
QUESTIONS BUYERS ASK
Frequently asked questions
No ECG sensor is listed for EmbracePlus. Its cardiac raw signal is optical PPG/BVP. Aidlab records a 1-lead electrical ECG.
Yes, but at different body locations: Aidlab is chest-worn and EmbracePlus measures ventral wrist EDA. Protocol design and validation should reflect that difference.
No. Aidlab 2 is positioned for research, development, fitness, and wellness use. Empatica lists EmbracePlus as part of an FDA-cleared and CE Class IIa health monitoring platform.
SOURCES
Official documentation used
Every capability above links to the manufacturer documentation used.
Last reviewed
- Aidlab 2 product page
Official model-specific signals, form factor, intended use, and availability.
- Aidlab SDK: data types and events
Official signal definitions, units, storage behavior, and SDK callbacks.
- Aidlab SDK documentation
Official integration documentation for supported platforms.
- Empatica EmbracePlus
Official sensors, platform, form factor, and regulatory information.
- Empatica raw data
Official list of raw signals and data delivery model.
- Empatica Health Monitoring Platform
Official description of respiratory rate and other platform digital biomarkers.
Caveats
- No controlled accuracy or participant-adherence study between Aidlab 2 and EmbracePlus was performed for this page.
- Empatica sensor modes and available raw data or digital measures depend on the selected platform plan and configuration.
NEXT STEP
Review the documented requirements with your protocol
Compare the required signals, recording mode, connectivity, and data path before choosing a device.