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BodyMedia Fit Core Armband Review | 171 Data compared

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  • Avg. price: ~£95
  • Form factor: armband
  • Battery life: 14 days
  • Screen size: N/A inch

BodyMedia Fit Core Armband review. Compare 171 technical specifications and user reviews to see how it ranks among fitness trackers and if it is worth buying.

5.8

Overall score

What it is: An overall evaluation of the fitness tracker's quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best fitness trackers on the market.

Score components:

80.0%

5.8

Technical Score

20.0%

?

User score

Good
5.8

Technical Score

What it is: An assessment of the fitness tracker's technical performance, covering eight key areas: health tracking, sports features, connectivity, display, battery, smart features, design, and app support.

When it matters: When you want to compare fitness trackers based on technical performance and available features.

Score components:

20.0%

6.9

Sports & Navigation

20.0%

5.7

Battery

18.0%

5.7

Health

18.0%

4.0

Display

8.0%

3.7

Smart Features

8.0%

8.3

App & Wellness

4.0%

6.0

Connectivity

4.0%

7.6

Design & Durability

Good
?

User score

What it is: A rating that combines user reviews and the total number of reviews received by the fitness tracker.

When it matters: When you want to know how a fitness tracker performs in daily use and how reliable it remains over time according to user feedback.

Score components:

70.0%

?

User reviews

30.0%

?

Popularity

  • 5.2
    Swimming

    Score components:

    28.0%

    9.0

    ATM rating

    24.0%

    4.0

    Open-water swim mode

    18.0%

    1.0

    Waterproof depth rating

    15.0%

    4.0

    GPS

    15.0%

    6.5

    Battery life

  • 7.2
    Kids

    Score components:

    30.0%

    6.5

    Battery life

    25.0%

    9.8

    Weight

    20.0%

    9.0

    ATM rating

    15.0%

    0.0

    Screen size

    10.0%

    10

    Price

  • No image
No image

Best prices in UK

    N/A~ £95

Best rankings

?

Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The BodyMedia Fit Core Armband is a professional-grade wearable designed for high-accuracy health monitoring, utilizing a multi-sensor array including a 3-axis accelerometer, skin temperature sensor, heat flux sensor, and galvanic skin response sensor to capture over 5,000 data points per minute. Its main characteristics include precise tracking of calories burned, physical activity, steps, and detailed sleep efficiency based on physiological changes. The primary pros are its clinical-level accuracy, lightweight 1-ounce design that is 33% smaller than previous models, and a long battery life of up to 14 days. However, notable cons include a mandatory monthly subscription fee to access personal data, a lack of built-in Bluetooth for real-time syncing (requiring a USB connection to a computer), and an aesthetic that some users find clunky or unattractive.

Technical Specifications of BodyMedia Fit Core Armband

Technical Score

What it is: An assessment of the fitness tracker's technical performance, covering eight key areas: health tracking, sports features, connectivity, display, battery, smart features, design, and app support.

When it matters: When you want to compare fitness trackers based on technical performance and available features.

Score components:

20.0%

?

Sports & Navigation

20.0%

?

Battery

18.0%

?

Health

18.0%

?

Display

8.0%

?

Smart Features

8.0%

?

App & Wellness

4.0%

?

Connectivity

4.0%

?

Design & Durability

5.8
BodyMedia Fit Core Armband has a technical score of 5.76 points, which is lower than 94.4% of fitness trackers.
User score

What it is: A rating that combines user reviews and the total number of reviews received by the fitness tracker.

When it matters: When you want to know how a fitness tracker performs in daily use and how reliable it remains over time according to user feedback.

Score components:

70.0%

0.0

User reviews

30.0%

1.0

Popularity

?
Popularity
What it is: An indicator based on the number of reviews received by the fitness tracker.
When it matters: When you prefer to buy a product chosen and reviewed by many other consumers.
1.0
BodyMedia Fit Core Armband has a popularity of 1 points, which is lower than 58.2% of products in this category.
Ratio quality/price

What it is: An indicator that combines the fitness tracker's overall rating with its cost.

When it matters: When you are looking for a fitness tracker with a good balance between quality and price.

Score components:

60.0%

5.8

Overall score

40.0%

10

Price

7.0
BodyMedia Fit Core Armband has a quality-to-price ratio of 7 points, which is lower than 94.4% of products in this category.
Heart rate monitor
What it is: Sensor that measures heart rate in real time.
When it matters: When you care about live heart-rate feedback during training or resting trends outside of workouts.

Importance: HIGH

no
BodyMedia Fit Core Armband does not support heart rate monitoring. 60.3% of fitness trackers support heart rate monitoring.
Resting heart rate
What it is: Measures heart rate while resting.
When it matters: When deeper insight into sleep quality, recovery, or overall readiness matters more than raw numbers alone.

Importance: MEDIUM

no
BodyMedia Fit Core Armband does not support Resting heart rate. 48.5% of fitness trackers support Resting heart rate.
Fast/slow heart rate alerts
What it is: Alerts for heart rates that are too fast or too slow.
When it matters: When you want the tracker to warn you about unusual changes instead of only logging them.

Importance: LOW

no
BodyMedia Fit Core Armband does not support high and low heart rate alerts. 33.7% of fitness trackers support high and low heart rate alerts.
Irregular heart rate alerts
What it is: Warns of irregular or abnormal heart rhythms.
When it matters: When you want the tracker to warn you about unusual changes instead of only logging them.

Importance: LOW

no
BodyMedia Fit Core Armband does not support irregular heart rate alerts. 11.5% of fitness trackers support irregular heart rate alerts.
Blood oxygen sensor
What it is: Sensor that measures blood oxygen saturation.
When it matters: When blood oxygen readings are part of the health picture you want from the device instead of relying on heart rate and step count alone.

Importance: MEDIUM

no
BodyMedia Fit Core Armband does not have a blood oxygen sensor. 26.1% of fitness trackers have a blood oxygen sensor.
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GPS
What it is: Satellite navigation capability for positioning and tracking.
When it matters: When you train outdoors and want pace, distance, and route tracking without depending completely on your phone.

Importance: LOW

no
BodyMedia Fit Core Armband does not have GPS. 11% of fitness trackers have GPS.
Satellite systems supported
What it is: States which satellite navigation systems the device can use for positioning.
When it matters: When you train outdoors and want stronger positioning, route guidance, and navigation independence from your phone.

Importance: LOW

no
BodyMedia Fit Core Armband supports no satellite systems which is less versatile than that of 12.2% of fitness trackers and the same as that of 87.8% of fitness trackers.
no satellite positioning support.
GNSS bands supported
What it is: Number and type of GNSS frequency bands supported.
When it matters: When you train outdoors and want stronger positioning, route guidance, and navigation independence from your phone.

Importance: LOW

no
BodyMedia Fit Core Armband does not support advanced GNSS bands. 8.9% of fitness trackers support advanced GNSS bands.
Galileo support
What it is: Supports Galileo satellite system.
When it matters: When you train outdoors and want stronger positioning, route guidance, and navigation independence from your phone.

Importance: LOW

no
BodyMedia Fit Core Armband does not support Galileo. 4.9% of fitness trackers support Galileo.
Acquires GPS faster
What it is: Shows whether the tracker includes features that help it lock onto satellite positioning more quickly at the start of an outdoor activity.
When it matters: When you train outdoors and want stronger positioning, route guidance, and navigation independence from your phone.

Importance: LOW

no
BodyMedia Fit Core Armband does not support faster GPS acquisition. 7.2% of fitness trackers support faster GPS acquisition.
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Notifications
What it is: Delivers smartphone notifications on the watch.
When it matters: When getting calls, messages, and app alerts on your wrist saves you from checking your phone constantly.

Importance: MEDIUM

no
BodyMedia Fit Core Armband does not support notifications. 73% of fitness trackers support notifications.
Vibrating alerts
What it is: Provides vibration-based notifications and alerts.
When it matters: When staying reachable from your wrist helps you avoid checking your phone constantly.

Importance: LOW

no
BodyMedia Fit Core Armband does not support vibration alerts. 84.2% of fitness trackers support vibration alerts.
Call control
What it is: Allows control of phone calls from the device.
When it matters: When staying reachable from your wrist helps you avoid checking your phone constantly.

Importance: LOW

no
BodyMedia Fit Core Armband does not support call controls. 41.1% of fitness trackers support call controls.
Call answering
What it is: Allows answering calls directly from the device.
When it matters: When staying reachable from your wrist helps you avoid checking your phone constantly.

Importance: LOW

no
BodyMedia Fit Core Armband does not support call answering. 1% of fitness trackers support call answering.
Calendar sync
What it is: Syncs calendar events with the connected device.
When it matters: When staying reachable from your wrist helps you avoid checking your phone constantly.

Importance: LOW

no
BodyMedia Fit Core Armband does not support calendar sync. 19.9% of fitness trackers support calendar sync.
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Activity reports
What it is: Generates summaries and insights from activity data.
When it matters: When you want the app to motivate you with goals, reports, coaching, or progress feedback over time.

Importance: LOW

yes
BodyMedia Fit Core Armband supports activity reports. 5.7% of fitness trackers support activity reports.
via BodyMedia Activity Manager
Goal setting
What it is: Allows setting personal fitness or activity goals.
When it matters: When you want the app to motivate you with goals, reports, coaching, or progress feedback over time.

Importance: LOW

yes
BodyMedia Fit Core Armband supports goal setting. 2.4% of fitness trackers support goal setting.
Achievements
What it is: Rewards progress and completed milestones.
When it matters: When you want the app to motivate you with goals, reports, coaching, or progress feedback over time.

Importance: LOW

?
Inactivity alerts
What it is: Alerts when the user has been inactive for too long.
When it matters: When account rules, app costs, exports, or software flexibility affect whether the ecosystem suits you long term.

Importance: LOW

no
BodyMedia Fit Core Armband does not support inactivity alerts. 76.9% of fitness trackers support inactivity alerts.
Coaching
What it is: Provides guided training and workout advice.
When it matters: When you want the app to motivate you with goals, reports, coaching, or progress feedback over time.

Importance: LOW

no
BodyMedia Fit Core Armband does not support coaching. 33% of fitness trackers support coaching.
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Bluetooth version
What it is: Version of Bluetooth supported by the device.
When it matters: When wireless stability, pairing quality, and long-term phone compatibility matter more than Bluetooth being a simple checkbox.

Importance: LOW

Good value: >=5.0

N/A
Maximum Bluetooth range
What it is: States the maximum Bluetooth connection range supported under normal conditions.
When it matters: When compatibility with your phone, computer, accessories, or wireless setup affects how well the tracker fits into your ecosystem.

Importance: LOW

Good value: >=10 m

N/A
NFC
What it is: Supports near-field communication for contactless features.
When it matters: When compatibility with your phone, computer, accessories, or wireless setup affects how well the tracker fits into your ecosystem.

Importance: LOW

no
BodyMedia Fit Core Armband does not have NFC. 10.1% of fitness trackers have NFC.
Wi-Fi connectivity
What it is: Connects to wireless internet networks.
When it matters: When the tracker should sync, update, or download data directly without always routing everything through the phone.

Importance: LOW

no
BodyMedia Fit Core Armband does not support Wi-Fi. 1.8% of fitness trackers support Wi-Fi.
Wi-Fi version
What it is: Version of Wi-Fi standard supported.
When it matters: When compatibility with your phone, computer, accessories, or wireless setup affects how well the tracker fits into your ecosystem.

Importance: LOW

no
BodyMedia Fit Core Armband does not support modern Wi-Fi. 1% of fitness trackers support modern Wi-Fi.
no Wi-Fi support.
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Battery life
What it is: Total time the battery lasts on a full charge.
When it matters: When the tracker needs to last through travel, sleep tracking, long workouts, or several days between charges.

Importance: HIGH

Good value: >5 days

14 days
BodyMedia Fit Core Armband offers a battery life of 14 days which is longer than that of 60.4% of fitness trackers and equal to that of 13.9% of fitness trackers.
Battery life with GPS on
What it is: Battery duration when GPS tracking is active.
When it matters: When you want fewer charging breaks during travel, longer workouts, sleep tracking, or continuous use.

Importance: LOW

Good value: >=8 hours

N/A
Battery life in training mode
What it is: Battery duration during active training sessions.
When it matters: When you want fewer charging breaks during travel, longer workouts, sleep tracking, or continuous use.

Importance: LOW

?
Battery life in power-saving mode
What it is: Battery duration when using power-saving mode.
When it matters: When you want fewer charging breaks during travel, longer workouts, sleep tracking, or continuous use.

Importance: LOW

?
Battery capacity
What it is: Energy storage capacity of the battery.
When it matters: When you want rough battery context behind the runtime claim instead of trusting the advertised hours alone.

Importance: MEDIUM

Good value: >=100 mAh

?
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Display
What it is: Main interface showing information and metrics.
When it matters: When easier reading at a glance and better day-to-day screen comfort matter to you.

Importance: LOW

no
BodyMedia Fit Core Armband does not have a display. 76.4% of fitness trackers have a display.
Screen size
What it is: Physical size of the device’s display measured diagonally.
When it matters: When easier reading at a glance and better day-to-day screen comfort matter to you.

Importance: MEDIUM

N/A
Display type
What it is: Technology used for the screen, such as AMOLED or LCD.
When it matters: When display technology affects contrast, color quality, power efficiency, or how premium the screen feels.

Importance: MEDIUM

N/A
Screen resolution
What it is: Total number of pixels displayed on the screen.
When it matters: When easier reading at a glance and better day-to-day screen comfort matter to you.

Importance: MEDIUM

N/A
Pixel density
What it is: Number of pixels per inch determining screen sharpness.
When it matters: When easier reading at a glance and better day-to-day screen comfort matter to you.

Importance: LOW

Good value: >=280 ppi

N/A
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Form factor
What it is: Overall physical design and shape.
When it matters: When materials, shape, and build details affect comfort, durability, or how discreet the device feels.

Importance: LOW

armband
Hybrid design
What it is: Combines analog and digital display elements.
When it matters: When materials, shape, and build details affect comfort, durability, or how discreet the device feels.

Importance: LOW

no
BodyMedia Fit Core Armband does not support Hybrid design. 2.4% of fitness trackers support Hybrid design.
Designed for kids
What it is: Indicates whether the fitness tracker is explicitly designed for children, with child-focused sizing, branding, safety limits, or kid-oriented activity features.
When it matters: This matters when you want a tracker that is genuinely child-focused rather than just a smaller adult model.

Importance: LOW

no
BodyMedia Fit Core Armband is not designed for kids. 2.4% of fitness trackers are designed for kids.
No child-specific positioning found.
Replaceable watch band
What it is: Ability to replace the wristband with other styles.
When it matters: When strap comfort, fit, or the ability to swap bands matters for sport, style, or replacement.

Importance: LOW

yes
BodyMedia Fit Core Armband has a replaceable watch band. 24.4% of fitness trackers have a replaceable watch band.
Band width
What it is: Width of the strap where it connects to the watch.
When it matters: When strap comfort, fit, or the ability to swap bands matters for sport, style, or replacement.

Importance: LOW

?
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BodyMedia Fit Core Armband vs the average fitness tracker

  • 4 days longer battery life
    BodyMedia Fit Core Armband has a higher battery life than the average fitness tracker (14 days vs 10 days). The average fitness tracker has 10 days of battery life.
    What it is: Total time the battery lasts on a full charge.
    When it matters: When the tracker needs to last through travel, sleep tracking, long workouts, or several days between charges.

    Importance: HIGH

    Good value: >5 days

    BodyMedia Fit Core Armband has a higher battery life than the average fitness tracker (14 days vs 10 days). The average fitness tracker has 10 days of battery life.14 days vs 10 days
  • Built-in temperature sensor
    BodyMedia Fit Core Armband has a temperature sensor, while the average fitness tracker does not. 10.2% of fitness trackers have a temperature sensor.
    Skin or ambient temperature sensor.
    What it is: Sensor that detects skin or ambient temperature.
    When it matters: When you want the tracker to monitor this specific health metric instead of only basic activity data.

    Importance: LOW

    BodyMedia Fit Core Armband has a temperature sensor, while the average fitness tracker does not. 10.2% of fitness trackers have a temperature sensor.
  • Tracks skin temperature
    BodyMedia Fit Core Armband supports skin temperature tracking, while the average fitness tracker does not. 11.3% of fitness trackers support skin temperature tracking.
    Tracks skin temperature trends.
    What it is: Shows whether the tracker can follow changes in skin temperature over time instead of offering only spot measurements or no temperature tracking at all.
    When it matters: When temperature trends matter for wellness, recovery, cycle insight, or spotting changes over time.

    Importance: LOW

    BodyMedia Fit Core Armband supports skin temperature tracking, while the average fitness tracker does not. 11.3% of fitness trackers support skin temperature tracking.
  • 36% lighter
    BodyMedia Fit Core Armband is lighter than the average fitness tracker (16 g vs 25 g). The average fitness tracker weighs 25 g.
    What it is: Weight of the device including strap.
    When it matters: When overall size, thickness, or weight affects comfort during all-day wear, sleep, or exercise.

    Importance: LOW

    Good value: <25 g

    BodyMedia Fit Core Armband is lighter than the average fitness tracker (16 g vs 25 g). The average fitness tracker weighs 25 g.16 g vs 25 g
  • Windows compatible
    BodyMedia Fit Core Armband is compatible with Windows, while the average fitness tracker is not. 22.3% of fitness trackers are compatible with Windows.
    Via BodyMedia Sync.
    What it is: Compatible with Windows computers.
    When it matters: When compatibility with your phone, computer, accessories, or wireless setup affects how well the tracker fits into your ecosystem.

    Importance: LOW

    BodyMedia Fit Core Armband is compatible with Windows, while the average fitness tracker is not. 22.3% of fitness trackers are compatible with Windows.
  • Mac OS X compatible
    BodyMedia Fit Core Armband is compatible with Mac OS X, while the average fitness tracker is not. 27.5% of fitness trackers are compatible with Mac OS X.
    Via BodyMedia Sync.
    What it is: Compatible with macOS devices.
    When it matters: When compatibility with your phone, computer, accessories, or wireless setup affects how well the tracker fits into your ecosystem.

    Importance: LOW

    BodyMedia Fit Core Armband is compatible with Mac OS X, while the average fitness tracker is not. 27.5% of fitness trackers are compatible with Mac OS X.
  • Tracks calorie intake
    BodyMedia Fit Core Armband supports calorie intake tracking, while the average fitness tracker does not. 39.3% of fitness trackers support calorie intake tracking.
    Calorie intake can be logged in the official companion app.
    What it is: Logs daily calorie intake.
    When it matters: When tracking daily habits and body trends beyond workouts matters to your health routine.

    Importance: LOW

    BodyMedia Fit Core Armband supports calorie intake tracking, while the average fitness tracker does not. 39.3% of fitness trackers support calorie intake tracking.
  • Sweat tracking
    BodyMedia Fit Core Armband supports sweat tracking, while the average fitness tracker does not. 7.7% of fitness trackers support sweat tracking.
    Tracks perspiration via galvanic skin response.
    What it is: Tracks perspiration levels during exercise.
    When it matters: When you want the tracker to monitor this specific health metric instead of only basic activity data.

    Importance: LOW

    BodyMedia Fit Core Armband supports sweat tracking, while the average fitness tracker does not. 7.7% of fitness trackers support sweat tracking.
  • Built-in temperature sensor
    BodyMedia Fit Core Armband has a temperature sensor, while the average fitness tracker does not. 10.2% of fitness trackers have a temperature sensor.
  • Tracks skin temperature
    BodyMedia Fit Core Armband supports skin temperature tracking, while the average fitness tracker does not. 11.3% of fitness trackers support skin temperature tracking.
  • Sweat tracking
    BodyMedia Fit Core Armband supports sweat tracking, while the average fitness tracker does not. 7.7% of fitness trackers support sweat tracking.
  • EDA sensor
    BodyMedia Fit Core Armband has an EDA sensor, while the average fitness tracker does not. 6.6% of fitness trackers have an EDA sensor.
  • 4 days longer battery life
    BodyMedia Fit Core Armband has a higher battery life than the average fitness tracker (14 days vs 10 days). The average fitness tracker has 10 days of battery life.
  • Windows compatible
    BodyMedia Fit Core Armband is compatible with Windows, while the average fitness tracker is not. 22.3% of fitness trackers are compatible with Windows.
  • Mac OS X compatible
    BodyMedia Fit Core Armband is compatible with Mac OS X, while the average fitness tracker is not. 27.5% of fitness trackers are compatible with Mac OS X.
  • 1 more physical buttons
    BodyMedia Fit Core Armband has a higher physical buttons than the average fitness tracker (1 vs 0). The average fitness tracker has 0 of physical buttons.
  • 36% lighter
    BodyMedia Fit Core Armband is lighter than the average fitness tracker (16 g vs 25 g). The average fitness tracker weighs 25 g.
  • Tracks calorie intake
    BodyMedia Fit Core Armband supports calorie intake tracking, while the average fitness tracker does not. 39.3% of fitness trackers support calorie intake tracking.
  • Tracks temperature
    BodyMedia Fit Core Armband supports temperature tracking, while the average fitness tracker does not. 12.9% of fitness trackers support temperature tracking.

Total
Health
Battery
Connectivity
Smart Features
Design & Durability
App & Wellness
  • No heart rate monitoring
    BodyMedia Fit Core Armband does not support heart rate monitoring, while the average fitness tracker does. 60% of fitness trackers support heart rate monitoring.
  • No automatic activity detection
    BodyMedia Fit Core Armband does not support automatic activity detection, while the average fitness tracker does. 50.3% of fitness trackers support automatic activity detection.
  • No pace measurement
    BodyMedia Fit Core Armband does not support pace measurement, while the average fitness tracker does. 61.3% of fitness trackers support pace measurement.
  • 1.5 hours longer charging time
    BodyMedia Fit Core Armband has a higher charging time than the average fitness tracker (3 hours vs 1.5 hours). The average fitness tracker needs 1.5 hours to charge.
  • No battery level indicator
    BodyMedia Fit Core Armband does not have a battery level indicator, while the average fitness tracker does. 88.8% of fitness trackers have a battery level indicator.
  • No display
    BodyMedia Fit Core Armband does not have a display, while the average fitness tracker does. 76.1% of fitness trackers have a display.
  • Not compatible with Android
    BodyMedia Fit Core Armband is not compatible with Android, while the average fitness tracker is. 98.1% of fitness trackers are compatible with Android.
  • No notifications
    BodyMedia Fit Core Armband does not support notifications, while the average fitness tracker does. 72.6% of fitness trackers support notifications.
  • No silent alarm
    BodyMedia Fit Core Armband does not support a silent alarm, while the average fitness tracker does. 80.4% of fitness trackers support a silent alarm.
  • No vibrating alerts
    BodyMedia Fit Core Armband does not support vibration alerts, while the average fitness tracker does. 83.8% of fitness trackers support vibration alerts.
  • No stopwatch
    BodyMedia Fit Core Armband does not have a stopwatch, while the average fitness tracker does. 58.4% of fitness trackers have a stopwatch.
  • 50 m lower waterproof depth rating
    BodyMedia Fit Core Armband has a lower waterproof depth rating than the average fitness tracker (0 m vs 50 m). The average fitness tracker has a waterproof depth rating of 50 m.
    Not waterproof.
  • 6.2 mm thicker design
    BodyMedia Fit Core Armband is thicker than the average fitness tracker (17.2 mm vs 11 mm). The average fitness tracker has a thickness of 11 mm.
  • 4 older release date
    BodyMedia Fit Core Armband was released earlier than the average fitness tracker (2,012 vs 2,016). The average fitness tracker was released in 2,016.
    January 2012
  • No inactivity alerts
    BodyMedia Fit Core Armband does not support inactivity alerts, while the average fitness tracker does. 76.5% of fitness trackers support inactivity alerts.
  • No BMI tracking
    BodyMedia Fit Core Armband does not support BMI tracking, while the average fitness tracker does. 71% of fitness trackers support BMI tracking.
  • Paid app
    BodyMedia Fit Core Armband does not have a free app, while the average fitness tracker does. 97.6% of fitness trackers have a free app.
    Paid membership needed to access data.
  • No heart rate monitoring
    BodyMedia Fit Core Armband does not support heart rate monitoring, while the average fitness tracker does. 60% of fitness trackers support heart rate monitoring.
    What it is: Sensor that measures heart rate in real time.
    When it matters: When you care about live heart-rate feedback during training or resting trends outside of workouts.

    Importance: HIGH

    BodyMedia Fit Core Armband does not support heart rate monitoring, while the average fitness tracker does. 60% of fitness trackers support heart rate monitoring.
  • No automatic activity detection
    BodyMedia Fit Core Armband does not support automatic activity detection, while the average fitness tracker does. 50.3% of fitness trackers support automatic activity detection.
    What it is: Automatically recognizes and records physical activities.
    When it matters: When you want common workouts captured even on days when you forget to start tracking manually.

    Importance: MEDIUM

    BodyMedia Fit Core Armband does not support automatic activity detection, while the average fitness tracker does. 50.3% of fitness trackers support automatic activity detection.
  • 1.5 hours longer charging time
    BodyMedia Fit Core Armband has a higher charging time than the average fitness tracker (3 hours vs 1.5 hours). The average fitness tracker needs 1.5 hours to charge.
    What it is: Time required for a full charge.
    When it matters: When short charging windows matter and you do not want the tracker off your wrist for too long.

    Importance: MEDIUM

    BodyMedia Fit Core Armband has a higher charging time than the average fitness tracker (3 hours vs 1.5 hours). The average fitness tracker needs 1.5 hours to charge.3 hours vs 1.5 hours
  • No pace measurement
    BodyMedia Fit Core Armband does not support pace measurement, while the average fitness tracker does. 61.3% of fitness trackers support pace measurement.
    What it is: Measures running or walking speed.
    When it matters: When you want the tracker to capture more workouts and training details with less manual effort.

    Importance: MEDIUM

    BodyMedia Fit Core Armband does not support pace measurement, while the average fitness tracker does. 61.3% of fitness trackers support pace measurement.
  • No notifications
    BodyMedia Fit Core Armband does not support notifications, while the average fitness tracker does. 72.6% of fitness trackers support notifications.
    What it is: Delivers smartphone notifications on the watch.
    When it matters: When getting calls, messages, and app alerts on your wrist saves you from checking your phone constantly.

    Importance: MEDIUM

    BodyMedia Fit Core Armband does not support notifications, while the average fitness tracker does. 72.6% of fitness trackers support notifications.
  • 50 m lower waterproof depth rating
    BodyMedia Fit Core Armband has a lower waterproof depth rating than the average fitness tracker (0 m vs 50 m). The average fitness tracker has a waterproof depth rating of 50 m.
    Not waterproof.
    What it is: Maximum depth the device can withstand underwater.
    When it matters: When you plan to swim, shower, dive, or use the tracker regularly around water.

    Importance: LOW

    Good value: >=50 m

    BodyMedia Fit Core Armband has a lower waterproof depth rating than the average fitness tracker (0 m vs 50 m). The average fitness tracker has a waterproof depth rating of 50 m.0 m vs 50 m
  • No vibrating alerts
    BodyMedia Fit Core Armband does not support vibration alerts, while the average fitness tracker does. 83.8% of fitness trackers support vibration alerts.
    What it is: Provides vibration-based notifications and alerts.
    When it matters: When staying reachable from your wrist helps you avoid checking your phone constantly.

    Importance: LOW

    BodyMedia Fit Core Armband does not support vibration alerts, while the average fitness tracker does. 83.8% of fitness trackers support vibration alerts.
  • No silent alarm
    BodyMedia Fit Core Armband does not support a silent alarm, while the average fitness tracker does. 80.4% of fitness trackers support a silent alarm.
    What it is: Alarm that vibrates silently instead of sounding.
    When it matters: When you want more discreet or more context-aware alerts than a standard alarm gives you.

    Importance: LOW

    BodyMedia Fit Core Armband does not support a silent alarm, while the average fitness tracker does. 80.4% of fitness trackers support a silent alarm.
Total
Overall
Health
Sports & Navigation
Battery
Display
Connectivity
Smart Features
Design & Durability
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Third-party reviews

What customers like about BodyMedia Fit Core Armband?

  • High accuracy in calorie burn estimation compared to wrist-based trackers due to multi-sensor technology (skin temperature, heat flux, and galvanic skin response)
  • Comprehensive data tracking including calories, physical activity, steps, and detailed sleep duration and efficiency
  • Effective weight-loss tool that provides strong motivation through real-time calorie deficit tracking
  • Automatic activity detection that starts tracking without manual input
  • Long battery life, typically lasting around 4 days between charges

What customers dislike about BodyMedia Fit Core Armband?

  • Mandatory monthly subscription fee required to access and view tracked data
  • Bulky and unsightly design that is difficult to wear discreetly under tight-fitting clothing
  • Physical discomfort reported by many users, including irritation from metal sensors and pressure marks when sleeping
  • The Core model lacks Bluetooth connectivity, requiring a USB connection to a computer to sync data
  • Not waterproof; must be removed for showering or swimming
  • Limited food database in the companion app, making manual nutrition logging tedious

Expert reviews

H
healthland.time.com
31/12/2011
BodyMedia Fit CORE Armband | 5 Health Gadgets to Help You Keep Your New Year's Resolution

The BodyMedia FIT Core Armband is a highly accurate, multi-sensor tracker praised for capturing precise data on calorie expenditure, sleep, and physical activity using four distinct sensors, including skin temperature and perspiration. While it serves as a powerful tool for weight management with app integration, the device is criticized for being bulky, uncomfortable to wear, and...Read more

U
uk.pcmag.com
16/05/2014
BodyMedia Fit Core - PCMag UK

The BodyMedia Fit Core fitness armband ($179.99 retail) receives praise from PCMag reviewer Jill Duffy for its ability to collect highly accurate physiological data. Unlike traditional pedometers, it features internal silver plates that measure body temperature and galvanic skin response (perspiration) alongside a three-axis accelerometer. This hardware allows it to deliver precise...Read more

U
uk.pcmag.com
06/03/2014
Bodymedia Fit Core - Review 2014 - PCMag UK Would you like more information on the technical specifications or how this model compares to the Bluetoot...

The BodyMedia Fit Core is a fitness tracking armband ($179.99 retail) designed to monitor exercise, calorie burn, and sleep patterns. The device relies on a three-axis accelerometer combined with unique internal silver plates that measure skin temperature, heat flux, and galvanic skin response (perspiration) to calculate highly accurate user statistics. Data is synced by connecting...Read more

F
futurezone.at
18/09/2013
BodyMedia FIT Core - Futurezone

The BodyMedia FIT Core review by Thomas Prenner highlights a highly accurate, multi-sensor health device meant to be worn continuously on the upper arm. A major pro of this tracker is its advanced sensor array—measuring skin temperature, heat flux, and galvanic skin response—which delivers precise calculations for daily calorie consumption, physical activity, and sleep efficiency....Read more

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A
aesirsports.de
19/04/2015
Tested: BodyMedia Lifestyle Tracker Fit Core & Fit Link - Note on specific model accuracy

The German fitness portal Aesir Sports reviewed the Bodymedia Fit Core and Fit Link lifestyle trackers, which are specialized fitness armbands worn on the triceps. Unlike basic commercial wearables that only monitor steps, these tracking devices are designed to record comprehensive physiological and metabolic data. While production of these specific armbands has been discontinued,...Read more

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A
aesirsports.de
12/03/2015
Review: BodyMedia Fit Core Armband Tested – AesirSports.de

The Bodymedia Fit Core is a highly accurate, arm-worn fitness tracker that uses four skin sensors and a 3-axis accelerometer to calculate daily calorie burn, step counts, and sleep quality with roughly 90% to 95% precision. Originally designed for general weight loss, it has gained a strong following in the fitness and bodybuilding communities because it helps athletes meticulously...Read more

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A
aesirsports.de
12/04/2015
In the Test: Bodymedia Lifestyle Tracker Fit Core & Fit Link (Bilingual/Translated Content)

The Aesir Sports review highlights the Bodymedia Fit Core and Fit Link as highly advanced health trackers that go well beyond basic step counting to capture full daily activity. Evaluated by reviewer Tetzel, these specialized armbands are designed to be worn on the tricep. The core advantages of the devices center on their extensive metrics, which utilize sophisticated sensor...Read more

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A
aesirsports.de
12/03/2015
Bodymedia Fit Core Armband Review – AesirSports.de

The Bodymedia Fit Core Armband is a high-utility fitness tracker designed to precisely measure daily caloric burn, sleep quality, step count, and physical activity levels. Utilizing four sensitive skin-contact sensors and a 3-axis accelerometer, it achieves an impressive clinical accuracy rate of up to 95%. The review highlights major pros, including its exceptional data...Read more

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A
archipel.uqam.ca
09/06/2026
Evaluation of the physiological response to wearing clothes (BodyMedia Fit Core)

This master's thesis evaluates the physiological responses of firefighters wearing personal protective equipment (PPE) integrated with a novel phase-change material (PCM) composed of fire-retardant hydrated salts. Testing was conducted within a climatic chamber regulated at 35°C and 50% relative humidity, where subjects performed treadmill exercises at a constant speed of 5.5 km/h...Read more

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U
uk.pcmag.com
16/05/2014
BodyMedia Fit Core - PCMag UK YouTube Review

The BodyMedia Fit Core ($179.99) is an upper-arm fitness tracker evaluated by PCMag contributor Jill Duffy for its distinct method of collecting biometric metrics. The device relies on a three-axis accelerometer combined with two silver skin-contact plates on its reverse side that measure body temperature and galvanic skin response (perspiration). This hardware arrangement stands...Read more

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R
rrd.nl
09/06/2026
Smart Tailoring of Real-Time Physical Activity Coaching

This review explores the landscape of computer-tailored, real-time physical activity coaching systems, identifying a conceptual framework structured around seven key tailoring concepts that influence communication timing, intention, content, and representation. A major strength (pro) of these advanced eHealth interventions is their utilization of smartphones and miniaturised...Read more

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C
cnet.com
18/06/2013
My Life with the BodyMedia Fit Activity Tracker

The BodyMedia Fit (Link version) is a highly accurate activity tracker worn as an armband that easily outperforms competitor wristbands by capturing granular calorie-burn data during complex exercises like weight-lifting and cycling. Its superior precision stems from a multi-sensor system featuring an accelerometer alongside specialized sensors that rest directly on the skin to...Read more

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U
uk.pcmag.com
16/05/2014
BodyMedia Fit Core - PCMag UK

The BodyMedia Fit Core is a specialized fitness armband priced at $179.99 that utilizes an advanced combination of inner silver plates and a three-axis accelerometer to track physiological data. On the positive side, it captures exceptionally accurate estimates of exercise levels and calorie burn by measuring both body temperature and galvanic skin response (perspiration)....Read more

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