General Wellness & Daily Activity Trackers
For all-day wear to monitor movement, heart rate, and lifestyle habits.
Apple Watch
Versatile smartwatch with ECG, blood oxygen, and fall detection.
- Price: ~$399 (Series 10) to $799 (Ultra 2)
- Battery Life: 18–36 hours (closer to 18) (standard); up to 60–72 hours in Low Power Mode/Ultra models.
- Sensors & Metrics
- Optical HR, ECG (single-lead)
- Blood oxygen (SpO₂)
- Skin temperature trends
- Accelerometer, gyroscope (fall & crash detection)
- Sleep stages, activity rings
- Platform / Ecosystem
- iOS only
- Deep integration with Apple Health, iPhone, AirPods
- Many FDA-cleared health features (ECG, AFib history)
- Form Factor
- Wrist-worn smartwatch (rectangular)
- Charging Method
- Magnetic wireless charging puck
Garmin Watch
GPS-heavy watches with deep physiological metrics (Body Battery, Training Readiness).
- Price: $250 – $900+ (Varies by model like Forerunner or Fenix)
- Battery Life: 7–30+ days (Solar models can last weeks/months).
- Sensors & Metrics
- Optical HR, HRV
- Pulse Ox (select models)
- GPS, barometer, altimeter
- Body Battery, Training Readiness, VO₂ max
- Advanced sleep & recovery analytics
- Platform / Ecosystem
- iOS & Android
- Garmin Connect app
- Strong third-party fitness platform support
- Form Factor
- Wrist-worn watch (round)
- Charging Method
- Proprietary clip-in cable
Fitbit (Sense 2 / Charge 6)
Accessible trackers focusing on Stress (cEDA sensor) and Google-integrated features.
- Price: $150 – $250
- Battery Life: 6–7 days.
- Sensors & Metrics
- Optical HR, HRV
- SpO₂
- cEDA (electrodermal activity for stress)
- Skin temperature variation
- Sleep stages & readiness score
- Platform / Ecosystem
- iOS & Android
- Google ecosystem (Fitbit + Google Health)
- Some advanced features require Fitbit Premium
- Form Factor
- Wrist-worn tracker (slim band)
- Charging Method
- Magnetic pogo-pin charger
| Feature | Apple Watch | Garmin Watch | Fitbit (Sense 2 / Charge 6) |
| Tracks steps & activity | ✓ | ✓ | ✓ |
| Optical heart rate (HR) | ✓ | ✓ | ✓ |
| Heart rate variability (HRV) | ✓ | ✓ | ✓ |
| Sleep tracking | ✓ | ✓ | ✓ |
| GPS tracking | ✓ | ✓ | ✓ |
| ECG capability | ✓ | ✗ | ✗ |
| Blood oxygen (SpO₂) | ✓ | ✓ | ✓ |
| Skin temperature trends | ✓ | ✓ | ✓ |
| Stress tracking | ✓ | ✓ | ✓ |
| Training readiness / load | ✗ | ✓ | ✗ |
| Fall detection | ✓ | ✗ | ✗ |
| Smartwatch features (calls, apps) | ✓ | ✗ | Limited |
| Long battery life (≥ 5 days) | ✗ | ✓ | ✓ |
| iOS compatible | ✓ | ✓ | ✓ |
| Android compatible | ✗ | ✓ | ✓ |
| Subscription required for core use | ✗ | ✗ | Optional |
Sleep & Recovery Optimization
Focusing on rest and physiological readiness without the distraction of a screen.
Oura Ring (Gen 4)
A discreet titanium ring tracking HRV, temperature, and sleep stages.
- Price: $349 + $5.99/mo subscription.
- Battery Life: Up to 8 days.
- Sensors & Metrics
- Optical HR, HRV
- Skin temperature deviation
- Sleep stages, readiness score
- Respiratory rate
- Platform / Ecosystem
- iOS & Android
- Apple Health, Google Fit integration
- Subscription required for advanced insights
- Form Factor
- Ring (finger-worn titanium)
- Charging Method
- Dock-style ring charger
Ultrahuman Ring AIR
Ultra-lightweight smart ring focusing on circadian rhythm and recovery.
- Price: ~$349 (No subscription required).
- Battery Life: 6 days.
- Sensors & Metrics
- Optical HR, HRV
- Skin temperature
- Sleep stages
- Circadian rhythm & metabolic insights
- Platform / Ecosystem
- iOS & Android
- No subscription
- Integrates with CGMs (Ultrahuman ecosystem)
- Form Factor
- Ring (ultralight titanium)
- Charging Method
- Dock-style ring charger
WHOOP 4.0
A screenless strap designed to be worn anywhere (wrist, bicep, or underwear).
- Price: $0 for hardware with a subscription (starting ~$30/mo).
- Battery Life: 4–5 days (Includes a slide-on battery pack for charging while wearing).
- Sensors & Metrics
- Optical HR, HRV
- Respiratory rate
- Skin temperature
- Strain, recovery, sleep need
- Platform / Ecosystem
- iOS & Android
- Subscription-only analytics
- Strong athletic & recovery focus
- Form Factor
- Strap (wrist, bicep, apparel-integrated)
- Charging Method
- Slide-on battery pack (charge while wearing)
Eight Sleep Pod 4
An intelligent mattress cover that adjusts temperature for each sleeper.
- Price: $2,500+ (Depends on bed size) + $15/mo subscription.
- Battery Life: N/A (Plugged into wall outlet).
- Sensors & Metrics
- Ballistocardiography (HR, HRV via mattress)
- Sleep stages
- Respiratory rate
- Body temperature trends
- Platform / Ecosystem
- iOS & Android
- Smart home integrations
- Subscription required for full features
- Form Factor
- Mattress cover system (bed-based)
- Charging Method
- Plugged into wall (continuous power)
Biostrap EVO
Focuses on high-fidelity biometric captures, including arterial elasticity.
- Price: ~$220 – $350.
- Battery Life: 2–3 days (Highly dependent on “Remote Research” features).
- Sensors & Metrics
- Optical HR, HRV
- SpO₂
- Arterial elasticity
- High-resolution biometric sampling
- Platform / Ecosystem
- iOS & Android
- Research-grade data export
- Subscription for advanced modes
- Form Factor
- Wrist-worn strap
- Charging Method
- Magnetic USB charger
| Feature | Oura Ring | Ultrahuman Ring AIR | WHOOP 4.0 | Eight Sleep Pod 4 | Biostrap EVO |
| Sleep stage tracking | ✓ | ✓ | ✓ | ✓ | ✓ |
| HR & HRV tracking | ✓ | ✓ | ✓ | ✓ | ✓ |
| Skin/body temperature trends | ✓ | ✓ | ✓ | ✓ | ✗ |
| Respiratory rate | ✓ | ✗ | ✓ | ✓ | ✗ |
| Recovery / readiness score | ✓ | ✓ | ✓ | ✓ | ✓ |
| Screen-free design | ✓ | ✓ | ✓ | ✓ | ✗ |
| Wearable (on body) | ✓ | ✓ | ✓ | ✗ | ✓ |
| Bed-based monitoring | ✗ | ✗ | ✗ | ✓ | ✗ |
| Subscription required | ✓ | ✗ | ✓ | ✓ | Optional |
| Athlete-focused insights | ✓ | ✓ | ✓ | ✗ | ✓ |
Women’s Health & Fertility
Tailored specifically to cycle tracking and reproductive health.
Incora Health Smart Earrings
Discreetly monitors basal body temperature and heart rate via the earlobe.
- Price: ~$250 + $9.99/mo subscription.
- Battery Life: 5–8 days (Uses swappable battery backs).
- Sensors & Metrics
- Basal body temperature
- Heart rate
- Cycle phase prediction
- Platform / Ecosystem
- iOS & Android
- Women’s health-focused analytics
- Subscription required
- Form Factor
- Earrings (earlobe-worn)
- Charging Method
- Swappable battery backs
IcosaMed Smart Bra
Utilizes ultrasound technology for non-invasive breast health monitoring.
- Price: Pricing varies by clinical availability (Inquire via provider).
- Battery Life: Periodic use (Rechargeable).
- Sensors & Metrics
- Ultrasound breast tissue monitoring
- Structural changes over time
- Platform / Ecosystem
- Clinical / provider-based platform
- Not consumer-direct
- Form Factor
- Smart bra (periodic wear)
- Charging Method
- Rechargeable internal battery
Ava Fertility Tracker Bracelet
Worn only at night to identify the 5-day fertile window.
- Price: ~$279.
- Battery Life: Recharge daily (Designed for overnight wear).
- Sensors & Metrics
- Skin temperature
- HR, HRV
- Respiratory rate
- Perfusion index
- Platform / Ecosystem
- iOS & Android
- Fertility-specific analytics
- Form Factor
- Wrist-worn (night-only)
- Charging Method
- Daily USB charging
Tempdrop 2.0
An armband that eliminates the need for waking up early to take oral temperature.
- Price: ~$165 – $200.
- Battery Life: 6–12 months (Uses a replaceable CR2032 coin cell).
- Sensors & Metrics
- Continuous basal body temperature
- Algorithm-corrected ovulation prediction
- Platform / Ecosystem
- iOS & Android
- Fertility awareness methods compatible
- Form Factor
- Upper-arm armband
- Charging Method
- Replaceable CR2032 coin cell
| Feature | Incora Earrings | IcosaMed Smart Bra | Ava Bracelet | Tempdrop 2.0 |
| Basal body temperature | ✓ | ✗ | ✓ | ✓ |
| Heart rate / HRV | ✓ | ✗ | ✓ | ✗ |
| Ovulation / fertile window prediction | ✓ | ✗ | ✓ | ✓ |
| Continuous overnight monitoring | ✓ | ✗ | ✓ | ✓ |
| Daytime wear required | ✓ | ✗ | ✗ | ✓ |
| Night-only use | ✗ | ✗ | ✓ | ✗ |
| Clinical / provider-based | ✗ | ✓ | ✗ | ✗ |
| Subscription required | ✓ | ✓ | ✗ | ✗ |
| Non-wrist form factor | ✓ | ✓ | ✗ | ✓ |
Medical Monitoring & Chronic Condition Management
High-accuracy data for specific medical concerns.
Dexcom G7 / Abbott Freestyle Libre 3
Continuous Glucose Monitors (CGM) for real-time blood sugar tracking.
- Price: $0–$75 (with insurance); ~$170–$300/mo (out-of-pocket).
- Battery Life: Disposable sensors last 10–15 days.
- Sensors & Metrics
- Interstitial glucose (real-time CGM)
- Trends, alerts, time-in-range
- Platform / Ecosystem
- iOS & Android
- Apple Health integration
- Clinician portals available
- Form Factor
- Skin-adhered sensor (arm/abdomen)
- Charging Method
- Disposable sensor (no charging)
CarePredict Tempo
Uses AI to track the “activities of daily living” for seniors (eating, walking, bathing).
- Price: ~$450 + $70/mo subscription.
- Battery Life: 2–3 days (Includes two swappable batteries).
- Sensors & Metrics
- Motion, activity recognition
- ADLs (eating, walking, bathing)
- Behavioral change detection
- Platform / Ecosystem
- Caregiver & clinician dashboards
- Designed for senior care settings
- Form Factor
- Wrist-worn device
- Charging Method
- Swappable rechargeable batteries
Quell 2.0 / Relief
Wearable TENS-style device for drug-free chronic pain management.
- Price: ~$250.
- Battery Life: ~25–50 therapy sessions per charge.
- Sensors & Metrics
- Nerve stimulation patterns
- Therapy usage tracking
- Platform / Ecosystem
- iOS & Android
- Pain management focus
- Form Factor
- Leg-worn band (upper calf)
- Charging Method
- USB charging cradle
| Feature | Dexcom / Libre CGM | CarePredict Tempo | Quell 2.0 |
| Continuous monitoring | ✓ | ✓ | ✗ |
| Medical-grade data | ✓ | ✓ | ✗ |
| Real-time alerts | ✓ | ✓ | ✗ |
| Chronic condition focus | ✓ | ✓ | ✓ |
| Clinician dashboard access | ✓ | ✓ | ✗ |
| Drug-free therapy | ✗ | ✗ | ✓ |
| Pain management | ✗ | ✗ | ✓ |
| Senior care optimization | ✗ | ✓ | ✗ |
| Subscription required | Often | ✓ | ✗ |
Performance & Athletic Training
Precision tools for optimizing specific physiological responses.
Polar H10 Heart Rate Monitor
The “Gold Standard” for heart rate accuracy during intense exercise.
- Price: ~$90 – $110.
- Battery Life: 400 hours (Replaceable CR2025 battery).
- Sensors & Metrics
- Electrical heart rate (ECG-based)
- RR intervals for HRV
- Platform / Ecosystem
- iOS & Android
- Works with most fitness platforms
- Form Factor
- Chest strap
- Charging Method
- Replaceable CR2025 battery
Morpheus M7
Specialized for “Zone 2” training and recovery-based intensity.
- Price: ~$125.
- Battery Life: 200 hours (Rechargeable).
- Sensors & Metrics
- HR, HRV
- Recovery-based training zones
- Platform / Ecosystem
- iOS & Android
- Strength & endurance training focus
- Form Factor
- Chest strap
- Charging Method
- USB rechargeable
CORE Body Temperature Monitor
Used by pro cyclists and runners to manage heat strain.
- Price: ~$230.
- Battery Life: 6 days (continuous) or 6 weeks (standby).
- Sensors & Metrics
- Core body temperature estimation
- Heat strain index
- Platform / Ecosystem
- iOS & Android
- Used by elite endurance athletes
- Form Factor
- Chest-mounted sensor
- Charging Method
- USB rechargeable
Lumen Metabolism Tracker
A breathalyzer that measures whether you are burning carbs or fats.
- Price: ~$299 (Includes 1-year membership).
- Battery Life: ~10–14 days.
- Sensors & Metrics
- CO₂ concentration from breath
- Fat vs carbohydrate utilization
- Platform / Ecosystem
- iOS & Android
- Subscription-based coaching
- Form Factor
- Handheld breath device
- Charging Method
- USB charging
| Feature | Polar H10 | Morpheus M7 | CORE Sensor | Lumen |
| ECG-based heart rate | ✓ | ✗ | ✗ | ✗ |
| HRV / RR intervals | ✓ | ✓ | ✗ | ✗ |
| Zone-based training | ✓ | ✓ | ✗ | ✗ |
| Heat strain monitoring | ✗ | ✗ | ✓ | ✗ |
| Metabolic fuel usage | ✗ | ✗ | ✗ | ✓ |
| Elite / pro athlete use | ✓ | ✓ | ✓ | ✗ |
| Wearable during workouts | ✓ | ✓ | ✓ | ✗ |
| Subscription required | ✗ | ✗ | ✗ | ✓ |
Mental Health & Stress Support
Devices designed to influence the nervous system and posture.
Muse S (Gen 2)
EEG headband that uses soundscapes to guide you into deep meditation or sleep.
- Price: ~$350.
- Battery Life: 10 hours.
- Sensors & Metrics
- EEG (brain activity)
- HR, HRV
- Movement & sleep tracking
- Platform / Ecosystem
- iOS & Android
- Meditation & neurofeedback focus
- Form Factor
- Headband
- Charging Method
- USB charging
Apollo Neuro
Uses “Apollo Vibes” (gentle vibrations) to signal safety to the nervous system.
- Price: ~$349.
- Battery Life: 6–8 hours of continuous use.
- Sensors & Metrics
- Vibration-based neuromodulation
- Usage & timing analytics
- Platform / Ecosystem
- iOS & Android
- Nervous system regulation focus
- Form Factor
- Wrist or ankle band
- Charging Method
- USB charging
Embr Wave 2
Provides instant cooling or warming sensations to the wrist to help with hot flashes or stress.
- Price: ~$299.
- Battery Life: 9+ hours (varies by sensation intensity).
- Sensors & Metrics
- Skin temperature response
- Usage patterns
- Platform / Ecosystem
- iOS & Android
- Thermoregulation for stress & hot flashes
- Form Factor
- Wrist-worn device
- Charging Method
- Magnetic USB charger
Upright GO 2 / S
Adhesive sensor that vibrates when it detects slouching.
- Price: $80 – $100.
- Battery Life: ~30 hours.
- Sensors & Metrics
- Posture angle & movement
- Slouch detection
- Platform / Ecosystem
- iOS & Android
- Simple posture analytics
- Form Factor
- Adhesive sensor (upper back)
- Charging Method
- USB charging
| Feature | Muse S | Apollo Neuro | Embr Wave 2 | Upright GO |
| Stress reduction focus | ✓ | ✓ | ✓ | ✗ |
| Sleep support | ✓ | ✓ | ✓ | ✗ |
| Active nervous system modulation | ✗ | ✓ | ✓ | ✗ |
| EEG / brain activity | ✓ | ✗ | ✗ | ✗ |
| Posture correction | ✗ | ✗ | ✗ | ✓ |
| Passive (no user action needed) | ✓ | ✓ | ✓ | ✓ |
| Vibration-based feedback | ✗ | ✓ | ✗ | ✓ |
| Thermal regulation | ✗ | ✗ | ✓ | ✗ |
| Subscription required | Optional | ✗ | ✗ | ✗ |