15 Best Smartwatches with Heart Rate Monitoring, Compared
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Choosing the best smartwatches with heart rate monitoring requires looking at published specifications rather than marketing claims. We compared 15 models to find the right fit for your needs. The Apple Watch SE 3 44mm GPS takes the top spot because its 44mm case and aluminum build offer a reliable always-on display for iPhone users. Our selections rely strictly on the specs listed on each product page. This guide helps you decide which device matches your specific requirements for size, connectivity, and tracking accuracy.
Pick your device form factor first
You have distinct hardware choices here. Wearables like the RingConn Gen 2 and WHOOP 5.0 offer screenless tracking for discreet, continuous health monitoring. Traditional smartwatches, such as the Samsung Galaxy Watch 8 and Apple Watch Series 12, provide larger displays and LTE connectivity for active use. Choose based on whether you prefer a ring, a tracker, or a full smartwatch interface.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Apple Watch SE 3 44mm GPS Best overall | iPhone users wanting always-on display | |
| 2 | Samsung Galaxy Watch 8 40mm LTE Best budget | Lightweight LTE smartwatches with running coaching | |
| 3 | Apple Watch Series 12 46mm Titanium Best premium | Advanced heart rate tracking and cellular use | |
| 4 | Samsung Galaxy Watch Ultra 47mm LTE Also great | Rugged outdoor tracking with LTE | |
| 5 | Samsung Galaxy Watch Ultra 47mm Also great | users wanting a rugged LTE smartwatch | |
| 6 | WHOOP 5.0 Screenless Fitness Tracker Best ip68 waterproof | continuous health and sleep tracking | |
| 7 | RingConn Gen 2 Air Size 8 Best size 8 | Screenless health tracking and swimming | |
| 8 | Samsung Galaxy Watch Ultra 47mm Also great | Outdoor running with LTE and sleep coaching | |
| 9 | Fitbit Versa 4 Black/Graphite Also great | long battery life and health tracking | |
| 10 | RingConn Gen 2 Smart Ring Size 12 Best no subscription | discreet health tracking without subscriptions | |
| 11 | Samsung Galaxy Watch 7 40mm LTE Also great | small wrists and lightweight LTE wear | |
| 12 | Samsung Galaxy Watch9 40mm LTE Best graphite | Compact LTE health tracking | |
| 13 | Google Pixel Watch 3 41mm Android Best wi-fi | Android runners wanting detailed fitness metrics | |
| 14 | Samsung Galaxy Watch 7 44mm Bluetooth Best bluetooth | Daily heart rate and sleep apnea tracking | |
| 15 | Garmin HRM 600 Heart Rate Monitor Also great | Garmin users needing precise heart rate data |
The best fit for you
- You want the best overall smartwatch for iPhone – Apple Watch SE 3 44mm GPS – It features an always-on display and GPS connectivity for reliable tracking.
- You need a lightweight LTE watch for running – Samsung Galaxy Watch 8 40mm LTE – It offers LTE connectivity and dedicated running coaching in a compact 40mm case.
- You prefer advanced metrics with cellular independence – Apple Watch Series 12 46mm Titanium – It provides cellular connectivity and advanced heart rate monitoring in a titanium build.
- You require rugged durability for outdoor activities – Samsung Galaxy Watch Ultra 47mm LTE – It combines a titanium case with LTE connectivity for robust outdoor performance.
- You want continuous tracking without a screen – WHOOP 5.0 Screenless Fitness Tracker – It provides screenless health monitoring with IP68 waterproofing for uninterrupted data collection.
Is Heart Rate Monitoring Worth It?
Heart rate monitoring tracks your pulse during exercise and rest. Devices like the Apple Watch Series 12 and Garmin HRM 600 provide precise data for training intensity. Screenless options like WHOOP 5.0 offer continuous metrics without a display. This feature helps you gauge effort and recovery. You get real-time feedback on your physical state. It is essential for structured workouts and health awareness.
Worth it if
- You track exercise intensity
- You monitor recovery
- You want continuous health data
Skip it if
- You only check step counts
- You dislike wearing sensors
- You prefer manual pulse checks
Apple Watch SE 3 44mm GPS
Best for: iPhone users wanting always-on display
- Tracking Features
- Heart Rate Monitoring
- Case Size
- 44mm
- Battery Life
- 18 hours
- Display Type
- Always-On Display
- Connectivity
- GPS
- Case Material
- Aluminum
The Apple Watch SE 3 GPS 44mm is a smartwatch designed for daily fitness and health tracking. It features an always-on display and an aluminum case. The device monitors your heart rate and sends alerts for irregular rhythms. It offers 18 hours of battery life and charges quickly. This model suits iPhone users who want reliable health insights without cellular connectivity.
- Always-on display for quick glances
- 18-hour battery life with fast charging
- Heart rate alerts for irregular rhythms
- Aluminum case with sport band
- GPS-only connectivity requires iPhone nearby
- 18-hour battery life is shorter than competitors
- Aluminum case is heavier than titanium options
- You want an always-on display
- You use an iPhone for calls
- You need heart rate monitoring
- You need cellular connectivity
- You prefer a titanium case
- You need multi-day battery life
Verdict: Apple Watch SE 3 GPS 44mm fits iPhone users who prioritize an always-on display and reliable heart rate alerts over cellular independence or extended battery life.
Samsung Galaxy Watch 8 40mm LTE
Best for: Lightweight LTE smartwatches with running coaching
- Tracking Features
- Heart Rate Monitoring
- Case Size
- 40mm
- Connectivity
- LTE
- Activity
- Running
- Color
- Silver
- Dimensions
- 1.68 × 1.59 × 0.34 inches
The Samsung Galaxy Watch 8 (2025) is a 40mm LTE smartwatch designed for comfort and daily health tracking. It features a heart rate monitor and running coach with real-time feedback. The device weighs 1.06 ounces and measures 0.34 inches thick. Advanced sleep coaching helps optimize rest. This model suits users who prefer a lightweight, snug fit for continuous heart rate monitoring and running analysis.
- 40mm case size with 0.34-inch thickness for a snug fit
- Integrated heart rate monitor for continuous tracking
- LTE connectivity for standalone use
- Running coach provides real-time performance feedback
- Advanced sleep coaching with bedtime guidance
- 40mm case size is smaller than the 44mm and 46mm options available on other models in this list
- 0.34-inch thickness may offer less screen real estate compared to bulkier smartwatches
- 1.06-ounce weight is lighter but may feel less substantial than titanium or steel alternatives
- You want a lightweight smartwatch for all-day comfort
- You need LTE connectivity for calls and data without a phone
- You prioritize running feedback and sleep coaching
- You prefer a larger 44mm or 46mm display
- You need a device with a titanium casing
- You want a screenless fitness tracker
Verdict: Samsung Galaxy Watch 8 40mm LTE fits runners and sleep-focused users who value a lightweight, LTE-connected device with dedicated coaching features over larger display sizes.
Apple Watch Series 12 46mm Titanium
Best for: Advanced heart rate tracking and cellular use
- Tracking Features
- Heart Rate Monitoring
- Case Size
- 46mm
- Battery Life
- Up to 24 hours
- Connectivity
- GPS + Cellular
- Case Material
- Titanium
The Apple Watch Series 12 in 46mm titanium case offers GPS + Cellular connectivity and up to 24 hours of battery life. It features advanced heart rate monitoring with readings every five seconds and HRV tracking every five minutes. This model suits users who need precise health insights and all-day connectivity without relying on a paired phone for calls.
- Titanium case material for durability
- Heart rate readings every five seconds
- HRV tracking every five minutes
- GPS + Cellular connectivity
- Fast-charge capability for 12 hours use
- 24-hour battery life is shorter than many competitors
- 46mm case size is bulkier than 40-44mm options
- Requires iPhone for full functionality
- You want precise heart rate and HRV data
- You need cellular connectivity away from your phone
- You prefer a durable titanium build
- You need multi-day battery life
- You prefer a smaller, lighter case
- You use an Android phone
Verdict: Apple Watch Series 12 46mm Titanium is ideal for users who prioritize advanced heart rate metrics and cellular independence over extended battery life.
Samsung Galaxy Watch Ultra 47mm LTE
Best for: Rugged outdoor tracking with LTE
- Tracking Features
- Heart Rate Monitoring
- Case Size
- 47mm
- Connectivity
- LTE, GPS
- Case Material
- Titanium
- Color
- Silver
- Dimensions
- 1.87 × 1.87 × 0.48 inches
This Samsung smartwatch features a 47mm titanium case designed for rugged use. It includes LTE and GPS connectivity for standalone tracking. The device monitors heart rate and sleep patterns. Weighing 2.08 ounces, it offers a durable build for outdoor activities. You will appreciate the energy score and wellness tips integrated into the watch face. It suits users who need reliable tracking in tough conditions.
- Titanium case for durability
- LTE and GPS connectivity
- Heart rate and sleep tracking
- 47mm screen size
- Heavier at 2.08 ounces compared to lighter models
- Larger 47mm case may not fit small wrists
- You need LTE connectivity for calls without a phone
- You prefer a durable titanium build for outdoor use
- You want detailed heart rate and sleep data
- You prefer a lightweight device under 1.5 ounces
- You need a smaller case size under 44mm
- You do not require cellular connectivity
Verdict: Samsung Galaxy Watch Ultra 47mm Titanium is a robust choice for those who prioritize durability and standalone connectivity. It fits users who need reliable heart rate tracking during rugged activities.
Samsung Galaxy Watch Ultra 47mm
Best for: users wanting a rugged LTE smartwatch
- Tracking Features
- Heart Rate Monitoring
- Case Size
- 47mm
- Connectivity
- LTE, GPS
- Case Material
- Titanium
- Dimensions
- 1.87 × 1.87 × 0.48 inches
- Weight
- 2.08 ounces
The Samsung Galaxy Watch Ultra 47mm is a titanium smartwatch with LTE and GPS. It tracks heart rate, sleep, and wellness metrics. The 47mm case measures 1.87 inches wide and 0.48 inches thick. It weighs 2.08 ounces. This device suits users who want durable materials and comprehensive health data. The LTE connectivity allows for independent operation.
- Titanium case construction
- 47mm display size
- LTE and GPS connectivity
- Heart rate and sleep tracking
- 2.08 ounces weight is heavier than standard models
- 0.48 inches thickness is bulkier than slim designs
- You want a durable titanium build
- You need LTE connectivity for calls
- You prefer a larger 47mm display
- You need a lightweight device under 1.5 ounces
- You prefer a slim profile under 0.4 inches
- You want a smaller 40mm case size
Verdict: Samsung Galaxy Watch Ultra 47mm fits users who prioritize a rugged titanium build and LTE connectivity. It is ideal for those who do not mind a heavier, thicker device for enhanced durability.
WHOOP 5.0 Screenless Fitness Tracker
Best for: continuous health and sleep tracking
- Tracking Features
- Heart Rate Monitoring, Women's Health Tracking
- Battery Life
- 14+ days
- Display Type
- Screenless
- Color
- Black
- Water Resistance
- IP68 Waterproof
- Dimensions
- 7.36 × 2.65 × 1.34 inches
The WHOOP 5.0 is a screenless fitness tracker focused on continuous health data. It tracks heart rate, HRV, and sleep with 99%+ accuracy. The device offers 14+ days of battery life and is IP68 waterproof. It includes a 12-month membership for AI coaching and women's health insights. This wearable suits users who prefer data-driven recovery tracking over a smartwatch display.
- 14+ days of battery life for continuous wear
- IP68 waterproof rating for swimming and showering
- 99%+ heart rate and HRV tracking accuracy
- Includes 12-month WHOOP One membership
- Screenless design limits on-wrist readability
- Requires 12-month membership for full functionality
- 3.84 ounces weight is higher than typical rings
- You want to track sleep and recovery without charging daily
- You prefer data insights over a smartwatch screen
- You need waterproof tracking for swimming
- You need a display for notifications
- You want to avoid a subscription fee
- You prefer a traditional watch shape
Verdict: The WHOOP 5.0 Screenless Fitness Tracker fits users who prioritize long battery life and accurate health metrics over visual feedback. It is ideal for those committed to a subscription-based health coaching model.
RingConn Gen 2 Air Size 8
Best for: Screenless health tracking and swimming
- Tracking Features
- Heart Rate Monitoring
- Battery Life
- up to 10 days
- Water Resistance
- 100m
- Target Audience
- Women
- Size
- Size 8
- Compatibility
- Android, iOS
The RingConn Gen 2 Air is a 2mm-thin smart ring that tracks heart rate, sleep, and stress. It offers up to 10 days of battery life on a single 90-minute charge. The device is waterproof to 100 meters and weighs just 2.5 grams. It works with Android and iOS. This size 8 model provides continuous health insights without a subscription fee for standard features.
- 10-day battery life per charge
- 2mm ultra-thin 2.5g profile
- 100m water resistance rating
- No subscription for standard features
- Screenless design limits real-time data viewing
- Size 8 is a specific fit requiring sizing kit
- You prefer a lightweight ring over a watch
- You want 10 days of battery life
- You need 100m water resistance for swimming
- You need a display for quick glances
- You do not want to use a sizing kit
- You prefer a traditional watch form factor
Verdict: RingConn Gen 2 Air Size 8 fits users who prioritize a lightweight, screenless form factor with long battery life. It is ideal for those who want continuous health tracking without the bulk of a smartwatch.
Samsung Galaxy Watch Ultra 47mm
Best for: Outdoor running with LTE and sleep coaching
- Tracking Features
- Heart Rate Monitoring
- Case Size
- 47mm
- Connectivity
- LTE, GPS
- Case Material
- Titanium
- Activity
- Running
- Dimensions
- 6 × 4 × 4 inches
The Samsung Galaxy Watch Ultra 47mm LTE features a titanium casing designed for rugged outdoor use. It includes LTE and GPS connectivity for standalone tracking. The device monitors heart rate and offers advanced sleep coaching. Weighing 2.08 ounces, it suits users who need durable hardware and detailed health metrics during running or outdoor activities.
- Titanium casing for rugged durability
- LTE and GPS connectivity
- Advanced sleep coaching feature
- Heart rate monitoring
- 47mm case size is larger than standard 40mm models
- 2.08 ounces weight is heavier than screenless wearables
- You need LTE connectivity for calls without a phone
- You prefer a durable titanium build for outdoor sports
- You want detailed sleep coaching and heart rate tracking
- You prefer a smaller 40mm watch face
- You want a lighter screenless wearable
- You do not need cellular connectivity
Verdict: Samsung Galaxy Watch Ultra 47mm Titanium is a robust choice for runners who need LTE tracking and a durable titanium build. It fits users who prioritize rugged hardware and advanced sleep coaching over a lightweight form factor.
Fitbit Versa 4 Black/Graphite
Best for: long battery life and health tracking
- Tracking Features
- Heart Rate Monitoring
- Battery Life
- 6+ days
- Connectivity
- GPS, Bluetooth
- Water Resistance
- 50 meters
- Dimensions
- 1.57 × 0.43 × 1.57 inches
- Weight
- 6.3 ounces
The Fitbit Versa 4 is a fitness smartwatch designed for daily health tracking. It features 24/7 heart rate monitoring and built-in GPS for outdoor activity mapping. The device offers over six days of battery life and is water resistant to 50 meters. It includes a three-month Google Health Premium membership for advanced analytics. This model suits users who prioritize long battery life and comprehensive sleep and stress tracking over a large display.
- 24/7 heart rate monitoring
- Built-in GPS for activity tracking
- Water resistant to 50 meters
- Over 6 days of battery life
- Includes 3-month Google Health Premium membership
- Smaller 1.57-inch display compared to larger smartwatches
- Heavier at 6.3 ounces than many lightweight trackers
- Limited to Bluetooth and GPS connectivity without LTE
- You want a device with multi-day battery life
- You need built-in GPS for route tracking
- You value sleep and stress management scores
- You require cellular connectivity for calls without a phone
- You prefer a large display for better readability
- You want a premium metal build like titanium
Verdict: Fitbit Versa 4 Fitness Smartwatch provides reliable heart rate and GPS tracking with strong battery endurance. It fits users who want detailed health insights without daily charging.
RingConn Gen 2 Smart Ring Size 12
Best for: discreet health tracking without subscriptions
- Tracking Features
- Heart Rate Monitoring, Women's Health Tracking
- Battery Life
- Up to 10-12 days
- Water Resistance
- Up to 100m
- Subscription
- No Subscription
- Compatibility
- Android, iOS
- Dimensions
- 11.3 × 4.3 × 4.7 inches
The RingConn Gen 2 Smart Ring tracks heart rate, sleep apnea, and stress with a 10-12 day battery life. This matte black size 12 model offers 100m water resistance and requires no subscription fees. It suits users seeking discreet health monitoring without recurring costs. The device provides real-time AHI data and personalized insights via its dedicated app.
- 10-12 day battery life per charge
- No subscription fees for app access
- 100m water resistance for swimming
- Tracks heart rate and sleep apnea
- Smaller display surface compared to smartwatches
- Limited to finger wearability only
- Requires specific sizing kit for fit
- You want long battery life between charges
- You prefer a discreet form factor
- You need sleep apnea monitoring data
- You need a large screen for notifications
- You prefer wrist-worn devices
- You want real-time GPS tracking
Verdict: RingConn Gen 2 Smart Ring Size 12 is a practical choice for users prioritizing battery life and subscription-free health tracking. It fits those who value discreet, finger-worn monitoring over large displays.
Samsung Galaxy Watch 7 40mm LTE
Best for: small wrists and lightweight LTE wear
- Tracking Features
- Heart Rate Monitoring
- Case Size
- 40mm
- Connectivity
- LTE
- Dimensions
- 9.5 × 2 × 1.5 inches
- Weight
- 0.96 ounces
The Samsung Galaxy Watch 7 40mm LTE is a compact smartwatch designed for wrist comfort. It features a 40mm case size and weighs 0.96 ounces, making it lightweight for daily wear. The device includes LTE connectivity for standalone use and tracks heart rate, sleep, and energy levels. Its Exynos W1000 chipset ensures smooth performance. This model suits users who prefer smaller displays and essential health monitoring without bulk.
- 40mm case size for a compact fit
- Lightweight build at 0.96 ounces
- LTE connectivity for independent use
- Exynos W1000 3nm processor for speed
- 40mm display is smaller than the 44mm and 46mm options on this list
- 0.96 ounces is lighter but offers less substantial feel than titanium models
- You prefer a smaller watch face that sits lightly on the wrist
- You want LTE connectivity without a bulky device
- You need basic heart rate and sleep tracking in a compact form
- You require a larger screen for easier readability
- You prefer titanium construction for durability
- You want advanced wellness metrics like energy score found in Ultra models
Verdict: Samsung Galaxy Watch 7 40mm LTE fits users who prioritize a lightweight, compact design with LTE connectivity. It is ideal for those who find larger smartwatches too heavy or intrusive for daily wear.
Samsung Galaxy Watch9 40mm LTE
Best for: Compact LTE health tracking
- Tracking Features
- Heart Rate Monitoring
- Case Size
- 40mm
- Connectivity
- LTE
- Activity
- Running
- Color
- Graphite
- Weight
- 1.1 ounces
The Samsung Galaxy Watch9 40mm is a graphite LTE smartwatch weighing 1.1 ounces. It tracks heart rate and uses Vitals to monitor sleep patterns. The device offers an AI assistant and calculates a Heart Health Score. This model suits users who want independent connectivity and detailed health insights in a compact 40mm case.
- Built-in LTE for calls without a phone
- 40mm case size for a compact fit
- Vitals tracks sleep health patterns
- Heart Health Score combines multiple metrics
- 40mm case is smaller than 44mm or 47mm alternatives
- 1.1 ounces weight adds bulk compared to screenless wearables
- Blood pressure calibration requires a separate cuff
- You want LTE connectivity in a smaller case
- You prefer a 40mm display for daily wear
- You need detailed sleep pattern analysis
- You require a larger 44mm or 47mm screen
- You prefer a screenless ring or band design
- You do not want cellular connectivity features
Verdict: The Samsung Galaxy Watch9 40mm Graphite fits users who prioritize a compact LTE smartwatch with comprehensive health tracking. It delivers precise heart rate and sleep data in a lightweight package.
Google Pixel Watch 3 41mm Android
Best for: Android runners wanting detailed fitness metrics
- Tracking Features
- Heart Rate Monitoring
- Case Size
- 41mm
- Battery Life
- 24-Hour
- Case Material
- Aluminum
- Connectivity
- Wi-Fi
- Activity
- Running
The Google Pixel Watch 3 is a 41mm Android smartwatch with a polished silver aluminum case. It features a 24-hour battery life and Wi-Fi connectivity. The device includes a heart rate monitor for tracking metrics during activities like running. Its screen is twice as bright as the previous model. This watch suits users seeking Fitbit-integrated fitness data and real-time running guidance on a compact wrist.
- 41mm case size with aluminum build
- Wi-Fi connectivity for data sync
- 24-hour battery life
- Heart rate monitoring for fitness tracking
- Fitbit advanced running features with AI guidance
- 24-hour battery life is lower than typical multi-day trackers
- 61.4 grams weight is heavier than screenless bands
- 41mm size is smaller than 44mm or 47mm alternatives
- You use an Android phone for full compatibility
- You want detailed running metrics and form tracking
- You prefer a compact 41mm display for daily wear
- You need multi-day battery life beyond 24 hours
- You use an iPhone as this device is Android-only
- You prefer a larger 44mm or 47mm screen
Verdict: The Google Pixel Watch 3 41mm delivers precise heart rate data and running insights for Android users. It is ideal for runners who value real-time guidance and a bright, compact display.
Samsung Galaxy Watch 7 44mm Bluetooth
Best for: Daily heart rate and sleep apnea tracking
- Tracking Features
- Heart Rate Monitoring
- Case Size
- 44mm
- Connectivity
- Bluetooth
- Color
- Silver
- Dimensions
- 1.75 × 1.75 × 0.38 inches
- Weight
- 1.19 ounces
This 44mm Samsung Galaxy Watch 7 Bluetooth model tracks your heart rate and sleep. It uses Galaxy AI to filter movement for better accuracy and calculates an Energy Score based on your previous day. The 1.75-inch display fits most wrists. You get personalized wellness tips on your phone. It suits those who want daily health insights without cellular costs.
- 44mm case size with 1.75-inch display
- Bluetooth connectivity for phone pairing
- Improved heart rate tracking with AI movement filtering
- Energy Score calculates physical readiness daily
- Sleep tracking detects moderate to severe sleep apnea
- Bluetooth only, requiring a phone for full features
- 1.19-ounce weight is heavier than screenless rings
- 44mm size is larger than 40mm alternatives
- You want detailed sleep and heart rate data
- You prefer a larger 44mm display for readability
- You already use a Samsung phone for AI features
- You need standalone cellular connectivity
- You prefer a screenless wearable design
- You want a lighter ring-style tracker
Verdict: Samsung Galaxy Watch 7 44mm Bluetooth is a solid choice for users who prioritize accurate heart rate and sleep apnea detection via AI. It fits best for those who stay close to their phone and want comprehensive daily wellness metrics.
Garmin HRM 600 Heart Rate Monitor
Best for: Garmin users needing precise heart rate data
- Tracking Features
- Heart Rate Monitoring
- Battery Life
- Up to 2 months
- Activity
- Running
- Color
- Black
- Dimensions
- 0.4 × 2.7 × 1.2 inches
- Weight
- 2.2 ounces
The Garmin HRM 600 is a chest strap heart rate monitor designed for data-driven athletes. It sends real-time heart rate and HRV data to compatible Garmin smartwatches, cycling computers, and fitness equipment. The device offers up to 2 months of battery life and includes a machine-washable strap in X-Small-Small size. It tracks daily metrics like steps and calories, syncing directly to the Garmin Connect app. This accessory suits runners and swimmers who need accurate biometric data without wearing a watch.
- Up to 2 months of battery life
- Machine-washable strap for easy maintenance
- Tracks running dynamics like stride length
- Provides accurate heart rate data during swims
- Syncs pace and distance for indoor runs
- Requires a compatible Garmin smartwatch for full features
- Limited to X-Small-Small or M-XL strap sizes
- Does not function as a standalone display device
- You already own a compatible Garmin smartwatch
- You want accurate heart rate data during swims
- You prefer a machine-washable monitor strap
- You need a standalone smartwatch with a screen
- You use a non-Garmin fitness platform
- You require a strap size outside XS-S or M-XL
Verdict: The Garmin HRM 600 Heart Rate Monitor is a specialized accessory for Garmin users seeking precise biometric tracking during runs and swims. It fits athletes who prioritize data accuracy and long battery life over standalone device functionality.
Specifications side by side
| Spec | Apple Watch SE 3 44mm GPS | Samsung Galaxy Watch 8 40mm LTE | Apple Watch Series 12 46mm Titanium | Samsung Galaxy Watch Ultra 47mm LTE | Samsung Galaxy Watch Ultra 47mm | WHOOP 5.0 Screenless Fitness Tracker | RingConn Gen 2 Air Size 8 | Samsung Galaxy Watch Ultra 47mm | Fitbit Versa 4 Black/Graphite | RingConn Gen 2 Smart Ring Size 12 | Samsung Galaxy Watch 7 40mm LTE | Samsung Galaxy Watch9 40mm LTE | Google Pixel Watch 3 41mm Android | Samsung Galaxy Watch 7 44mm Bluetooth | Garmin HRM 600 Heart Rate Monitor |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Case Size | 44mm | 40mm | 46mm | 47mm | 47mm | – | – | 47mm | – | – | 40mm | 40mm | 41mm | 44mm | – |
| Battery Life | 18 hours | – | Up to 24 hours | – | – | 14+ days | up to 10 days | – | 6+ days | Up to 10-12 days | – | – | 24-Hour | – | Up to 2 months |
| Display Type | Always-On Display | – | – | – | – | Screenless | – | – | – | – | – | – | – | – | – |
| Connectivity | GPS | LTE | GPS + Cellular | LTE, GPS | LTE, GPS | – | – | LTE, GPS | GPS, Bluetooth | – | LTE | LTE | – | Bluetooth | – |
| Case Material | Aluminum | – | Titanium | Titanium | – | – | – | Titanium | – | – | – | – | Aluminum | – | – |
| Water Resistance | – | – | – | – | – | – | 100m | – | 50 meters | Up to 100m | – | – | – | – | – |
| Target Audience | – | – | – | – | – | Women | Women | – | – | Women | – | – | – | – | – |
| Features | Heart Rate Monitor | Heart Rate Monitor | Sleep Tracking | Sleep Tracking, Heart Rate Monitor | Sleep Tracking, Heart Rate Monitor | Sleep Tracking | – | Heart Rate Monitor | Sleep Tracking | – | Sleep Tracking, Heart Rate Monitor | Heart Rate Monitor | Heart Rate Monitor | Sleep Tracking, Heart Rate Monitor | Heart Rate Monitor |
| Activity | – | Running | – | – | – | – | – | Running | – | – | – | Running | Running | – | Running |
| Color | Starlight Aluminum Case with Starlight Sport Band | Silver | Radiant Gold Titanium Case w/ Burgundy Sport Band | Silver | Titanium Gray | Black | Galaxy Sliver | Titanium Blue | Black/Graphite | Matte Black | Cream | Graphite | Polished Silver Aluminum Case – Porcelain Band | Silver | Black |
| Size | 44mm case + Medium/Large band | 40mm | 46mm case + Medium/Large band | 47Mm | 47Mm | Pequeño | Size 8 | 47Mm | 1 | 12 | 40mm | 40mm | 41Mm | 44Mm | X-Small-Small |
| Tracking Features | Heart Rate Monitoring | Heart Rate Monitoring | Heart Rate Monitoring | Heart Rate Monitoring | Heart Rate Monitoring | Heart Rate Monitoring, Women's Health Tracking | Heart Rate Monitoring | Heart Rate Monitoring | Heart Rate Monitoring | Heart Rate Monitoring, Women's Health Tracking | Heart Rate Monitoring | Heart Rate Monitoring | Heart Rate Monitoring | Heart Rate Monitoring | Heart Rate Monitoring |
| Subscription | – | – | – | – | – | – | – | – | – | No Subscription | – | – | – | – | – |
| Compatibility | – | – | – | – | – | – | Android, iOS | – | – | Android, iOS | – | – | Android | – | – |
| Tracked Metrics | Heart Rate | Heart Rate | Heart Rate | Heart Rate | Heart Rate | Heart Rate | – | Heart Rate | Heart Rate | Heart Rate | Heart Rate | Heart Rate | Heart Rate | Heart Rate | Heart Rate |
| Dimensions | 9.4 × 3 × 1.2 inches | 1.68 × 1.59 × 0.34 inches | – | 1.87 × 1.87 × 0.48 inches | 1.87 × 1.87 × 0.48 inches | 7.36 × 2.65 × 1.34 inches | – | 6 × 4 × 4 inches | 1.57 × 0.43 × 1.57 inches | 11.3 × 4.3 × 4.7 inches | 9.5 × 2 × 1.5 inches | – | 1.34 × 3.19 × 9.45 inches | 1.75 × 1.75 × 0.38 inches | 0.4 × 2.7 × 1.2 inches |
| Weight | 1.12 ounces | 1.06 ounces | – | 2.08 ounces | 2.08 ounces | 3.84 ounces | – | 2.08 ounces | 6.3 ounces | 13.4 ounces | 0.96 ounces | 1.1 ounces | 61.4 grams | 1.19 ounces | 2.2 ounces |
| Model | MEHJ4LW/A | L325U | MJGT4LS/A | L705U | Galaxy Watch Ultra | 973-003-000 | RCA-02 | L705U | FB523BKBK-US | RCA-01 | Galaxy Watch7 | SM-L345UZKQXAA | – | SM-L310NZSAXAA | 010-13383-01 |
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How We Selected These Watches
We identified devices with heart rate monitoring by scanning Amazon listings for this specific tracking feature. Each product in this guide of 15 items explicitly lists heart rate tracking in its title or feature set. We did not handle any units. All details come directly from published specifications on the product pages. We excluded variants, showing only one size per product family to keep the comparison clear. You can see live prices and stock status on the page, which refresh daily. These values are not included in this text. We ordered the list by availability first. Then we sorted by overall rating weighted by review count. Finally, we prioritized specs that meet more of our criteria. This ensures you see the most relevant options first.
How to choose the right smartwatch
Check case material durability
Case material affects both weight and resilience. Aluminum, like the Apple Watch SE 3, offers a lighter feel for daily wear. Titanium, found in the Apple Watch Series 12 and Samsung Galaxy Watch Ultra, provides greater scratch resistance and a premium feel. If you engage in rugged outdoor activities, titanium is a practical choice. For users prioritizing comfort over durability, aluminum remains a solid, lighter option. Select the material that matches your physical environment and aesthetic preferences.
Match connectivity to your phone
Connectivity determines how your watch operates away from your phone. GPS-only models like the Apple Watch SE 3 require your phone nearby for calls and data. LTE models, such as the Samsung Galaxy Watch 8, allow standalone communication. Wi-Fi options, like the Google Pixel Watch 3, work well at home or in the office. Bluetooth models, including the Samsung Galaxy Watch 7 44mm, rely on your phone for most functions. Choose LTE if you run without your phone often.
Select the right form factor
Form factor impacts comfort and tracking method. Traditional watches like the Samsung Galaxy Watch 9 offer a familiar wrist experience with a display. Screenless trackers, such as the WHOOP 5.0 and RingConn Gen 2, provide discreet, continuous monitoring without visual distractions. The RingConn Gen 2 Smart Ring is ideal for those who prefer finger-worn devices. Consider whether you want visual feedback or passive, uninterrupted health data collection based on your lifestyle.
Verify smart compatibility
Compatibility ensures your watch integrates with your phone. The Google Pixel Watch 3 is designed for Android users, ensuring full feature access. Apple watches require an iPhone for optimal performance. Some devices, like the RingConn Gen 2 Air, support both Android and iOS. Check your phone’s operating system before purchasing. Mismatched compatibility can limit notifications, app usage, and data syncing. Ensure your chosen device supports your current mobile platform to avoid connectivity issues.
Review size and weight specs
Size and weight determine daily comfort. The Samsung Galaxy Watch 7 40mm weighs 0.96 ounces, making it suitable for smaller wrists. The Samsung Galaxy Watch Ultra 47mm weighs 2.08 ounces and is thicker, offering durability for rugged use. The Apple Watch SE 3 weighs 1.12 ounces. Heavier devices may feel intrusive during sleep or light activity. Measure your wrist circumference and compare it to the watch’s width and thickness to ensure a secure and comfortable fit for all-day wear.
Frequently asked questions
Which smartwatch is best for iPhone users with heart rate monitoring?
The Apple Watch SE 3 44mm GPS is the top choice. It features a 44mm aluminum case and GPS connectivity. This model suits iPhone users who want an always-on display and reliable heart rate alerts. It prioritizes display visibility over cellular independence.
What is the lightest smartwatch for tracking heart rate?
The Samsung Galaxy Watch 7 40mm Bluetooth is the lightest option at 1.19 ounces. It offers a compact 44mm design with Bluetooth connectivity. This watch is ideal for daily wear, providing accurate heart rate and sleep apnea detection without adding weight to your wrist.
Do I need LTE for heart rate monitoring?
LTE is not required for heart rate monitoring but adds standalone connectivity. The Samsung Galaxy Watch 8 40mm LTE includes this feature along with running coaching. It allows you to track metrics independently of your phone, which is useful for runners who prefer a lightweight device.
Which device is best for screenless heart rate tracking?
The RingConn Gen 2 Smart Ring Size 12 offers screenless tracking. It is a discrete, finger-worn device with no subscription requirement. This option fits users who value long battery life and continuous health monitoring over a large display. It supports both Android and iOS compatibility.
Is there a rugged smartwatch for outdoor heart rate tracking?
The Samsung Galaxy Watch Ultra 47mm LTE is built for rugged outdoor use. It features a titanium case and LTE connectivity for standalone tracking. This robust device is ideal for users who need durable hardware and reliable heart rate data during intense or outdoor activities.
Which tracker is best for continuous heart rate monitoring?
The WHOOP 5.0 Screenless Fitness Tracker is designed for continuous health metrics. It offers IP68 waterproofing and focuses on long battery life. This device is ideal for users committed to subscription-based coaching who want accurate heart rate data without the distraction of a visual display.
What is the best heart rate monitor for Garmin users?
The Garmin HRM 600 is a specialized accessory for Garmin users. It provides precise biometric tracking during runs and swims. This chest strap fits athletes who prioritize data accuracy and long battery life. It is not a standalone device but enhances existing Garmin ecosystem functionality.
See also
- Best Samsung Smartwatches with GPS in 2026: 11 Picks
- 11 Best Garmin Smartwatches with Music, Compared
- Google Smartwatches: 11 Picks Ranked by Specs
- Best Samsung Smartwatches with Bluetooth: 12 Spec-Based Picks
- Best Apple Titanium Smartwatches in 2026: 12 Picks
- 12 Best Garmin 42mm Smartwatches, Compared