Fitbit Surge Review | 171 Data compared

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  • Avg. price in UK: ~£190
  • Avg. price in US: ~$250
  • Form factor: watch
  • Battery life: 7 days
  • Screen size: 1.25 inch

Fitbit Surge review. Compare 171 technical specifications and user reviews to see how it ranks among fitness trackers and if it is worth buying.

7.6

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%

7.4

Technical Score

20.0%

8.1

User score

Very good
7.4

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%

9.2

Sports & Navigation

20.0%

5.0

Battery

18.0%

7.5

Health

18.0%

7.8

Display

8.0%

7.6

Smart Features

8.0%

8.6

App & Wellness

4.0%

8.2

Connectivity

4.0%

6.1

Design & Durability

Very good
8.1

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%

7.3

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
3.5
(3311)
amazon
3.8
(2378)

(Reviews last updated: June 2026)

Excellent
  • 7.1
    Swimming

    Score components:

    28.0%

    9.0

    ATM rating

    24.0%

    4.0

    Open-water swim mode

    18.0%

    9.0

    Waterproof depth rating

    15.0%

    10

    GPS

    15.0%

    3.0

    Battery life

  • 5.0
    Kids

    Score components:

    30.0%

    3.0

    Battery life

    25.0%

    1.0

    Weight

    20.0%

    9.0

    ATM rating

    15.0%

    7.6

    Screen size

    10.0%

    9.5

    Price

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Best prices in UK

Best rankings

?

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

Verdict

The Fitbit Surge is a comprehensive 'fitness superwatch' featuring a 1.25-inch monochrome backlit touchscreen, integrated GPS, and PurePulse continuous optical heart rate monitoring. Its technical suite includes a 3-axis accelerometer, 3-axis gyroscope, digital compass, altimeter, and ambient light sensor, allowing it to track steps, distance, elevation, and multi-sport activities like cycling and running. Main pros include its 'always-on' display that remains highly visible in direct sunlight, a reliable 7-day battery life (up to 10 hours with active GPS), and the convenience of on-wrist music controls and call/text notifications. However, its bulky, non-interchangeable strap design can be uncomfortable under long sleeves, and despite being water-resistant up to 5 ATM, it is not recommended for swimming or showering.

Technical Specifications of Fitbit Surge

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%

9.2

Sports & Navigation

20.0%

5.0

Battery

18.0%

7.5

Health

18.0%

7.8

Display

8.0%

7.6

Smart Features

8.0%

8.6

App & Wellness

4.0%

8.2

Connectivity

4.0%

6.1

Design & Durability

7.4
Fitbit Surge has a technical score of 7.45 points, which is higher than 66.2% 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%

7.3

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
3.5
(3311)
amazon
3.8
(2378)

(Reviews last updated: June 2026)

8.1
Fitbit Surge has a user score of 8.08 points, which is higher than 62.4% of fitness trackers.
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.
10
Fitbit Surge has a popularity of 10 points, which is higher than 60.1% 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%

7.6

Overall score

40.0%

9.5

Price

8.2
Fitbit Surge has a quality-to-price ratio of 8.2 points, which is higher than 59.2% 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

yes
Fitbit Surge supports heart rate monitoring. 40.2% 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

yes
Fitbit Surge supports Resting heart rate. 52% of fitness trackers support Resting heart rate.
Tracks 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

yes
Fitbit Surge supports high and low heart rate alerts. 66.8% of fitness trackers support high and low heart rate alerts.
High and low resting 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
Fitbit Surge 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
Fitbit Surge does not have a blood oxygen sensor. 26.1% of fitness trackers have a blood oxygen sensor.
Show more
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

yes
Fitbit Surge has GPS. 89.5% 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

GPS + GLONASS
Fitbit Surge supports GPS + GLONASS satellite systems which is more versatile than that of 89.3% of fitness trackers and the same as that of 5.1% of fitness trackers.
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

?
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
Fitbit Surge 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
Fitbit Surge 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

yes
Fitbit Surge supports notifications. 27.5% 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

yes
Fitbit Surge supports vibration alerts. 16.3% 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

yes
Fitbit Surge supports call controls. 59.4% of fitness trackers support call controls.
Accept/reject on the tracker; audio stays on the phone.
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
Fitbit Surge 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
Fitbit Surge does not support calendar sync. 19.9% of fitness trackers support calendar sync.
Show more
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
Fitbit Surge supports activity reports. 5.7% of fitness trackers support activity reports.
via Fitbit app
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
Fitbit Surge 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

no
Fitbit Surge does not support achievements. 76.2% of fitness trackers support achievements.
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
Fitbit Surge 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
Fitbit Surge does not support coaching. 33% of fitness trackers support coaching.
Show more
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

4.0
Fitbit Surge supports Bluetooth 4.0 which is newer than in 5.1% of fitness trackers and equal to that in 51.5% of fitness trackers.
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

30 m
Fitbit Surge offers a Bluetooth range of 30 m which is higher than that of 90.8% of fitness trackers and equal to that of 6.2% of fitness trackers.
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
Fitbit Surge 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

?
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
Fitbit Surge does not support modern Wi-Fi. 1% of fitness trackers support modern Wi-Fi.
no Wi-Fi support.
Show more
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

7 days
Fitbit Surge offers a battery life of 7 days which is shorter than that of 53.5% of fitness trackers and equal to that of 22.8% of fitness trackers.
Shorter with GPS
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

10 h
Fitbit Surge offers a GPS-on battery life of 10 h which is longer than that of 86.7% of fitness trackers.
Post-firmware GPS rating.
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

10 h
Fitbit Surge offers a training-mode battery life of 10 h which is longer than that of 59.3% of fitness trackers.
GPS tracking.
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

N/A
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

100 mAh
Fitbit Surge has a battery capacity of 100 mAh which is lower than that of 52.1% of fitness trackers and equal to that of 9.2% of fitness trackers.
Show more
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

yes
Fitbit Surge has a display. 24.1% of fitness trackers have a display.
Built-in touch 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

1.25 inch
Fitbit Surge has a screen size of 1.25 inch which is larger than that of 67.8% of fitness trackers.
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

LCD
Fitbit Surge uses LCD display technology which is less advanced than that of 67.3% of fitness trackers and the same as that of 5.5% of fitness trackers.
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

?
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

?
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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

watch
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
Fitbit Surge 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
Fitbit Surge 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

no
Fitbit Surge does not have a replaceable watch band. 76.1% 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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Fitbit Surge vs the average fitness tracker

  • Always-on display
    Fitbit Surge has an always-on display, while the average fitness tracker does not. 25.7% of fitness trackers have an always-on display.
    Low-power display remains continuously visible.
    What it is: Screen remains visible continuously without turning off.
    When it matters: When you want to check time or key stats instantly without waking the screen first.

    Importance: LOW

    Fitbit Surge has an always-on display, while the average fitness tracker does not. 25.7% of fitness trackers have an always-on display.
  • Built-in GPS
    Fitbit Surge has GPS, while the average fitness tracker does not. 11% of fitness trackers have 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

    Fitbit Surge has GPS, while the average fitness tracker does not. 11% of fitness trackers have GPS.
  • Lower resting heart rate
    Fitbit Surge supports Resting heart rate, while the average fitness tracker does not. 48.2% of fitness trackers support Resting heart rate.
    Tracks 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

    Fitbit Surge supports Resting heart rate, while the average fitness tracker does not. 48.2% of fitness trackers support Resting heart rate.
  • Touchscreen
    Fitbit Surge has a touchscreen, while the average fitness tracker does not. 43.8% of fitness trackers have a touchscreen.
    What it is: Ability of the display to recognize touch input.
    When it matters: When smooth touch response and quicker on-screen interaction matter during workouts or daily use.

    Importance: LOW

    Fitbit Surge has a touchscreen, while the average fitness tracker does not. 43.8% of fitness trackers have a touchscreen.
  • 3 h longer GPS battery life
    Fitbit Surge has a higher battery life with GPS on than the average fitness tracker (10 h vs 7 h). The average fitness tracker has 7 h of battery life with GPS on.
    Post-firmware GPS rating.
    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

    Fitbit Surge has a higher battery life with GPS on than the average fitness tracker (10 h vs 7 h). The average fitness tracker has 7 h of battery life with GPS on.10 h vs 7 h
  • Heart rate alerts
    Fitbit Surge supports high and low heart rate alerts, while the average fitness tracker does not. 33.5% of fitness trackers support high and low heart rate alerts.
    High and low resting 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

    Fitbit Surge supports high and low heart rate alerts, while the average fitness tracker does not. 33.5% of fitness trackers support high and low heart rate alerts.
  • Tracks elevation
    Fitbit Surge supports elevation tracking, while the average fitness tracker does not. 27.2% of fitness trackers support elevation tracking.
    What it is: Measures elevation gain and loss during activity.
    When it matters: When you train outdoors and want stronger positioning, route guidance, and navigation independence from your phone.

    Importance: LOW

    Fitbit Surge supports elevation tracking, while the average fitness tracker does not. 27.2% of fitness trackers support elevation tracking.
  • Branded damage-resistant glass
    Fitbit Surge uses branded damage-resistant glass, while the average fitness tracker does not. 22.2% of fitness trackers use branded damage-resistant glass.
    Corning Gorilla Glass.
    What it is: Shows whether the display uses a named reinforced glass brand instead of unspecified screen protection.
    When it matters: When scratch resistance and long-term display protection matter for everyday wear.

    Importance: LOW

    Fitbit Surge uses branded damage-resistant glass, while the average fitness tracker does not. 22.2% of fitness trackers use branded damage-resistant glass.
  • Lower resting heart rate
    Fitbit Surge supports Resting heart rate, while the average fitness tracker does not. 48.2% of fitness trackers support Resting heart rate.
  • Heart rate alerts
    Fitbit Surge supports high and low heart rate alerts, while the average fitness tracker does not. 33.5% of fitness trackers support high and low heart rate alerts.
  • Ovulation prediction
    Fitbit Surge predicts ovulation, while the average fitness tracker does not. 41.4% of fitness trackers predict ovulation.
  • Cycle start prediction
    Fitbit Surge predicts the start date, while the average fitness tracker does not. 42.2% of fitness trackers predict the start date.
  • Built-in GPS
    Fitbit Surge has GPS, while the average fitness tracker does not. 11% of fitness trackers have GPS.
  • Tracks elevation
    Fitbit Surge supports elevation tracking, while the average fitness tracker does not. 27.2% of fitness trackers support elevation tracking.
  • Built-in gyroscope
    Fitbit Surge has a gyroscope, while the average fitness tracker does not. 26.4% of fitness trackers have a gyroscope.
  • Built-in barometer
    Fitbit Surge has a barometer, while the average fitness tracker does not. 10.7% of fitness trackers have a barometer.
  • Built-in route tracker
    Fitbit Surge supports route tracking, while the average fitness tracker does not. 49.8% of fitness trackers support route tracking.
  • Built-in compass
    Fitbit Surge has a compass, while the average fitness tracker does not. 4.9% of fitness trackers have a compass.
  • Auto lap
    Fitbit Surge supports auto lap, while the average fitness tracker does not. 19.9% of fitness trackers support auto lap.
  • Broad satellite support
    Fitbit Surge supports more satellite systems than the average fitness tracker (GPS + GLONASS vs no). The average fitness tracker supports no satellite systems.
  • 3 h longer GPS battery life
    Fitbit Surge has a higher battery life with GPS on than the average fitness tracker (10 h vs 7 h). The average fitness tracker has 7 h of battery life with GPS on.
  • Always-on display
    Fitbit Surge has an always-on display, while the average fitness tracker does not. 25.7% of fitness trackers have an always-on display.
  • Touchscreen
    Fitbit Surge has a touchscreen, while the average fitness tracker does not. 43.8% of fitness trackers have a touchscreen.
  • Branded damage-resistant glass
    Fitbit Surge uses branded damage-resistant glass, while the average fitness tracker does not. 22.2% of fitness trackers use branded damage-resistant glass.
  • Ambient light sensor
    Fitbit Surge has an ambient light sensor, while the average fitness tracker does not. 15.8% of fitness trackers have an ambient light sensor.
  • Durable display glass
    Fitbit Surge uses more durable display glass than the average fitness tracker (Gorilla Glass 3 vs glass). The average fitness tracker uses glass display glass.
  • 0.21 inch larger screen size
    Fitbit Surge has a higher screen size than the average fitness tracker (1.3 inch vs 1.04 inch). The average fitness tracker has a screen size of 1.04 inch.
  • Mac OS X compatible
    Fitbit Surge is compatible with Mac OS X, while the average fitness tracker is not. 27.5% of fitness trackers are compatible with Mac OS X.
  • 20 m longer Bluetooth range
    Fitbit Surge has a longer Bluetooth range than the average fitness tracker (30 m vs 10 m). The average fitness tracker offers a Bluetooth range of 10 m.
  • Call control
    Fitbit Surge supports call controls, while the average fitness tracker does not. 40.9% of fitness trackers support call controls.
  • 3 more physical buttons
    Fitbit Surge has a higher physical buttons than the average fitness tracker (3 vs 0). The average fitness tracker has 0 of physical buttons.
  • Firmware update method
    Fitbit Surge uses a more convenient firmware update method than the average fitness tracker (over-the-air / USB vs over-the-air). The average fitness tracker uses over-the-air for firmware updates.
  • Tracks calorie intake
    Fitbit Surge supports calorie intake tracking, while the average fitness tracker does not. 39.3% of fitness trackers support calorie intake tracking.
  • Water intake tracking
    Fitbit Surge supports water intake tracking, while the average fitness tracker does not. 47% of fitness trackers support water intake tracking.
  • 3 days shorter battery life
    Fitbit Surge has a lower battery life than the average fitness tracker (7 days vs 10 days). The average fitness tracker has 10 days of battery life.
    Shorter with GPS
  • 9.1% smaller battery capacity
    Fitbit Surge has a lower battery capacity than the average fitness tracker (100 mAh vs 110 mAh). The average fitness tracker has 110 mAh of battery capacity.
  • 2.08x heavier
    Fitbit Surge is heavier than the average fitness tracker (52 g vs 25 g). The average fitness tracker weighs 25 g.
  • No replaceable watch band
    Fitbit Surge does not have a replaceable watch band, while the average fitness tracker does. 75.7% of fitness trackers have a replaceable watch band.
  • 1.7 mm thicker design
    Fitbit Surge is thicker than the average fitness tracker (12.7 mm vs 11 mm). The average fitness tracker has a thickness of 11 mm.
  • No inactivity alerts
    Fitbit Surge does not support inactivity alerts, while the average fitness tracker does. 76.5% of fitness trackers support inactivity alerts.
  • No achievements
    Fitbit Surge does not support achievements, while the average fitness tracker does. 75.8% of fitness trackers support achievements.
  • Ads in app
    Fitbit Surge shows ads in the app, while the average fitness tracker does not. 50.6% of fitness trackers have an ad-free app.
  • 3 days shorter battery life
    Fitbit Surge has a lower battery life than the average fitness tracker (7 days vs 10 days). The average fitness tracker has 10 days of battery life.
    Shorter with GPS
    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

    Fitbit Surge has a lower battery life than the average fitness tracker (7 days vs 10 days). The average fitness tracker has 10 days of battery life.7 days vs 10 days
  • 2.08x heavier
    Fitbit Surge is heavier than the average fitness tracker (52 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

    Fitbit Surge is heavier than the average fitness tracker (52 g vs 25 g). The average fitness tracker weighs 25 g.52 g vs 25 g
  • No inactivity alerts
    Fitbit Surge does not support inactivity alerts, while the average fitness tracker does. 76.5% of fitness trackers support 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

    Fitbit Surge does not support inactivity alerts, while the average fitness tracker does. 76.5% of fitness trackers support inactivity alerts.
  • No replaceable watch band
    Fitbit Surge does not have a replaceable watch band, while the average fitness tracker does. 75.7% of fitness trackers have a 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

    Fitbit Surge does not have a replaceable watch band, while the average fitness tracker does. 75.7% of fitness trackers have a replaceable watch band.
  • 2.71x more expensive
    Fitbit Surge is more expensive than the average fitness tracker (£190 vs £70).
    Fitbit Surge is more expensive than the average fitness tracker (£190 vs £70).£190 vs £70
  • No achievements
    Fitbit Surge does not support achievements, while the average fitness tracker does. 75.8% of fitness trackers support 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

    Fitbit Surge does not support achievements, while the average fitness tracker does. 75.8% of fitness trackers support achievements.
  • Ads in app
    Fitbit Surge shows ads in the app, while the average fitness tracker does not. 50.6% of fitness trackers have an ad-free app.
    What it is: Operates without advertisements.
    When it matters: When account rules, app costs, exports, or software flexibility affect whether the ecosystem suits you long term.

    Importance: LOW

    Fitbit Surge shows ads in the app, while the average fitness tracker does not. 50.6% of fitness trackers have an ad-free app.
  • 1.7 mm thicker design
    Fitbit Surge is thicker than the average fitness tracker (12.7 mm vs 11 mm). The average fitness tracker has a thickness of 11 mm.
    What it is: Total depth of the watch case.
    When it matters: When overall size, thickness, or weight affects comfort during all-day wear, sleep, or exercise.

    Importance: LOW

    Good value: <10 mm

    Fitbit Surge is thicker than the average fitness tracker (12.7 mm vs 11 mm). The average fitness tracker has a thickness of 11 mm.12.7 mm vs 11 mm

Graphic comparison of Fitbit Surge and

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Third-party reviews

(Reviews last updated: June 2026)

What customers like about Fitbit Surge?

  • Integrated GPS for tracking distance and pace without a phone
  • Continuous 24/7 heart rate monitoring
  • Comprehensive and user-friendly Fitbit app and web platform
  • Monochrome touchscreen display is clear and easy to read in direct sunlight
  • Tracks a wide variety of activities including hiking, yoga, and weightlifting
  • Includes basic smartwatch features like text and call notifications

What customers dislike about Fitbit Surge?

  • Not waterproof and cannot be used for swimming or showering
  • Bulky and chunky design can be uncomfortable, especially when sleeping
  • Heart rate accuracy can be inconsistent during high-intensity exercise
  • GPS usage significantly drains the battery life
  • Proprietary charging cable is not interchangeable with other Fitbit models
  • Non-replaceable wristband means the whole unit must be replaced if the strap breaks

Expert reviews

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cnet.com
30/06/2016
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time.com
03/02/2015
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expertreviews.co.uk
27/02/2019
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techradar.com
15/02/2018
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techadvisor.com
26/01/2017
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outdoorgearlab.com
21/06/2017
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meanfitfoxes.com
12/01/2016
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t3.com
09/10/2015
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testedtechs.com
21/07/2015
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pocket-lint.com
18/06/2015
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theguardian.com
13/03/2015
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uk.pcmag.com
29/01/2015
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dcrainmaker.com
20/01/2015
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techgearlab.com
11/01/2017
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livescience.com
31/03/2015
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pcmag.com
29/01/2015
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imore.com
12/03/2018
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outdoortest.info
25/09/2015
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mission-triathlon.de
02/07/2016
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heise.de
21/04/2015
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chip.de
10/06/2015
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fitnessmodern.de
02/05/2015
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takkiwrites.com
15/01/2016
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eiswuerfelimschuh.de
11/12/2016
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maclife.de
02/06/2015
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chip.de
15/06/2015
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pascalforget.com
16/09/2015
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high-tech-out.net
27/05/2015
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stuffi.fr
01/04/2015
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montre-cardio-gps.fr
18/05/2015
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cnetfrance.fr
30/07/2015
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lesnumeriques.com
04/04/2015
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mtbpro.es
26/07/2016
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dday.it
07/05/2015
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smartworld.it
19/05/2015
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st.ilsole24ore.com
11/12/2015
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coolesuggesties.nl
24/04/2016
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bright.nl
29/07/2015
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smarthealth.live
16/04/2015
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Video reviews

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