Scored using Fitness trackers Methodology v1.0
Fitness trackers Methodology v1.0
Mathematical & Unbiased Scoring
Products in this category are evaluated mathematically under Frontumo Fitness trackers Methodology v1.0 using verified laboratory benchmarks, technical specifications, and authentic consumer ratings with 0% commercial bias.
Explore Fitness trackers Methodology v1.0

Fitbit Charge 2 Review | 171 Data compared

Avg. price:~£140Battery life:5 daysScreen size:1.5 inchHeart rate monitor:yesGPS:noWaterproof depth rating:?

Fitbit Charge 2 Review: Compare 171 technical specifications and user reviews to see how this product ranks in the Fitness trackers category and whether it is worth buying.

7.5

Overall score

Score
7.5/ 10
✕
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 distribution
▼
<55-66-77-88-99-10
Score components

80%

7.0

Technical score

20%

9.2

User score

▲Better than 66% of fitness-trackers
7.0

Technical score

Technical score
7.0/ 10
✕
What it is
An assessment of technical performance for products in the Fitness trackers category across these key areas: Health, Sports & Navigation, Smart Features, App & Wellness, Connectivity, Battery, Display, Design & Durability.
When it matters
When you want to compare fitness trackers based on technical performance and available features.
Score distribution
▼
<55-66-77-88-99-10
Score components

20%

8.7

Sports & Navigation

20%

3.7

Battery

18%

7.9

Health

18%

6.9

Display

8%

7.2

Smart Features

8%

9.1

App & Wellness

4%

8.4

Connectivity

4%

7.0

Design & Durability

▲Better than 53% of fitness-trackers
9.2

User score

User score
9.2/ 10
✕
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 distribution
▼
<55-66-77-88-99-10
Score components

70%

8.8

User ratings

30%

10

Number of reviews

Based on 24,477 buyer reviews from online shops.
How we calculate this
User ratings – average star rating across all shop listings, weighted by how many reviews each has, on a 1–10 scale.
Number of reviews – how many buyer reviews the product has, on a logarithmic scale; the 8% most-reviewed models in the category get 10.
★Better than 95% of fitness-trackers
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Best rankings

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Technical Specifications of fitness tracker Fitbit Charge 2

Technical score
Technical score
7.0/ 10
✕
What it is
An assessment of technical performance for products in the Fitness trackers category across these key areas: Health, Sports & Navigation, Smart Features, App & Wellness, Connectivity, Battery, Display, Design & Durability.
When it matters
When you want to compare fitness trackers based on technical performance and available features.
Score distribution
▼
<55-66-77-88-99-10
Score components:

20%

8.7

Sports & Navigation

20%

3.7

Battery

18%

7.9

Health

18%

6.9

Display

8%

7.2

Smart Features

8%

9.1

App & Wellness

4%

8.4

Connectivity

4%

7.0

Design & Durability

7.0
User score
User score
9.2/ 10
✕
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 distribution
▼
<55-66-77-88-99-10
Score components

70%

8.8

User ratings

30%

10

Number of reviews

Based on 24,477 buyer reviews from online shops.
How we calculate this
User ratings – average star rating across all shop listings, weighted by how many reviews each has, on a 1–10 scale.
Number of reviews – how many buyer reviews the product has, on a logarithmic scale; the 8% most-reviewed models in the category get 10.
9.2
Popularity
Popularity
10.0/ 10
✕
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.
Score distribution
▼
<55-66-77-88-99-10
Popularity:
Fitbit Charge 2 has a popularity score of 10 points, which is higher than 91.6% of fitness trackers.
10
Value for money
Value for money
8.2/ 10
✕
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 distribution
▼
<55-66-77-88-99-10
Score components:

60%

7.5

Overall score

40%

9.8

Price

8.2
Heart rate monitor
yes
Heart rate monitor
yes
This fitness tracker supports heart rate monitoring. 40.2% of fitness trackers support heart rate monitoring.
Resting heart rate
yes
Resting heart rate
yes
This fitness tracker supports Resting heart rate. 52.6% of fitness trackers support Resting heart rate.
Fast/slow heart rate alerts
no
Fast/slow heart rate alerts
no
This fitness tracker does not support high and low heart rate alerts. 34.7% of fitness trackers support high and low heart rate alerts.
Irregular heart rate alerts
no
Irregular heart rate alerts
no
This fitness tracker does not support irregular heart rate alerts. 12.4% of fitness trackers support irregular heart rate alerts.
Blood oxygen sensor
no
Blood oxygen sensor
no
This fitness tracker does not have a blood oxygen sensor. 25.4% of fitness trackers have a blood oxygen sensor.
Show more
GPS
no
GPS
no
This fitness tracker does not have GPS. 11% of fitness trackers have GPS.
Satellite systems supported
no
Satellite systems supported
no
This fitness tracker 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.
GNSS bands supported
no
GNSS bands supported
no
This fitness tracker does not support advanced GNSS bands. 8.9% of fitness trackers support advanced GNSS bands.
Galileo support
no
Galileo support
no
This fitness tracker does not support Galileo. 4.9% of fitness trackers support Galileo.
Acquires GPS faster
no
Acquires GPS faster
no
This fitness tracker does not support faster GPS acquisition. 8.1% of fitness trackers support faster GPS acquisition.
Show more
Notifications
yes
Notifications
yes
This fitness tracker supports notifications. 27.5% of fitness trackers support notifications.
Vibrating alerts
yes
Vibrating alerts
yes
This fitness tracker supports vibration alerts. 16.3% of fitness trackers support vibration alerts.
Call control
no
Call control
no
This fitness tracker does not support call controls. 41.8% of fitness trackers support call controls.
Call answering
no
Call answering
no
This fitness tracker does not support call answering. 1% of fitness trackers support call answering.
Calendar sync
no
Calendar sync
no
This fitness tracker does not support calendar sync. 20.3% of fitness trackers support calendar sync.
Show more
Activity reports
yes
Activity reports
yes
This fitness tracker supports activity reports. 5.7% of fitness trackers support activity reports.
via Fitbit app
Goal setting
yes
Goal setting
yes
This fitness tracker supports goal setting. 2.4% of fitness trackers support goal setting.
Achievements
yes
Achievements
yes
This fitness tracker supports achievements. 24.3% of fitness trackers support achievements.
Inactivity alerts
yes
Inactivity alerts
yes
This fitness tracker supports inactivity alerts. 23.5% of fitness trackers support inactivity alerts.
Coaching
no
Coaching
no
This fitness tracker does not support coaching. 34% of fitness trackers support coaching.
Show more
Bluetooth version
4
Bluetooth version
4
This fitness tracker supports Bluetooth 4 which is newer than in 5.1% of fitness trackers and equal to that in 51.3% of fitness trackers.
Maximum Bluetooth range
6.1 m
Maximum Bluetooth range
6.1 m
This fitness tracker offers a Bluetooth range of 6.1 m which is lower than that of 92.5% of fitness trackers and equal to that of 0.8% of fitness trackers.
NFC
no
NFC
no
This fitness tracker does not have NFC. 13% of fitness trackers have NFC.
Wi-Fi connectivity
?
Wi-Fi version
?
Show more
Battery life
5 days
Battery life
5 days
This fitness tracker offers a battery life of 5 days which is shorter than that of 79.2% of fitness trackers and equal to that of 12.4% of fitness trackers.
Battery life with GPS on
N/A
Battery life in training mode
?
Battery life in power-saving mode
N/A
Battery capacity
60 mAh
Battery capacity
60 mAh
This fitness tracker has a battery capacity of 60 mAh which is lower than that of 82.9% of fitness trackers and equal to that of 2.6% of fitness trackers.
Show more
Display
yes
Display
yes
This fitness tracker has a display. 24.1% of fitness trackers have a display.
Screen size
1.5 inch
Screen size
1.5 inch
This fitness tracker has a screen size of 1.5 inch which is larger than that of 85.3% of fitness trackers and equal to that of 2.1% of fitness trackers.
Display type
OLED
Display type
OLED
This fitness tracker uses OLED display technology which is more advanced than that of 52.8% of fitness trackers and the same as that of 21.5% of fitness trackers.
Screen resolution
128x 64
Screen resolution
128x 64
This fitness tracker has a screen resolution of 128x64 which is higher than that of 52.8% of fitness trackers and equal to that of 2.3% of fitness trackers.
Pixel density
?
Show more
Form factor
wristband
Hybrid design
no
Hybrid design
no
This fitness tracker does not support Hybrid design. 2.4% of fitness trackers support Hybrid design.
Designed for kids
no
Designed for kids
no
This fitness tracker is not designed for kids. 2.4% of fitness trackers are designed for kids.
Replaceable watch band
yes
Replaceable watch band
yes
This fitness tracker has a replaceable watch band. 25.6% of fitness trackers have a replaceable watch band.
Band width
21 mm
Show more

Fitbit Charge 2 vs the average fitness tracker

246810TotalHealthSports & NavigationBatteryDisplayConnectivitySmart FeaturesDesign & DurabilityApp & Wellness
  • Measures VO2 max
    VO2 max
    yes
    This fitness tracker supports VO2 max tracking, while the average fitness tracker does not. 21.8% of fitness trackers support VO2 max tracking.
    Cardio Fitness Score.
  • Lower resting heart rate
    Resting heart rate
    yes
    This fitness tracker supports Resting heart rate, while the average fitness tracker does not. 47.7% of fitness trackers support Resting heart rate.
  • 0.46 inch larger screen size
    Screen size
    1.5 inch
    This fitness tracker has a higher screen size than the average fitness tracker (1.5 inch vs 1.04 inch). The average fitness tracker has a screen size of 1.04 inch.
    1.5 inch vs 1.04 inch
  • Multi-sport mode
    Multi-sport mode
    yes
    This fitness tracker supports multi-sport mode, while the average fitness tracker does not. 6.3% of fitness trackers support multi-sport mode.
  • Tracks elevation
    Elevation tracking
    yes
    This fitness tracker supports elevation tracking, while the average fitness tracker does not. 27.4% of fitness trackers support elevation tracking.
    Floors climbed via altimeter
  • Tracks menstrual cycle
    Menstrual cycle tracking
    yes
    This fitness tracker supports menstrual cycle tracking, while the average fitness tracker does not. 41.7% of fitness trackers support menstrual cycle tracking.
  • Windows compatible
    Compatible with Windows
    yes
    This fitness tracker is compatible with Windows, while the average fitness tracker is not. 22.3% of fitness trackers are compatible with Windows.
    Via Fitbit Connect.
  • Mac OS X compatible
    Compatible with Mac OS X
    yes
    This fitness tracker is compatible with Mac OS X, while the average fitness tracker is not. 28.8% of fitness trackers are compatible with Mac OS X.
    Via Fitbit Connect.
  • 14.5% higher user score
    User score
    9.2/ 10
    ✕
    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 distribution
    ▼
    ▼
    <55-66-77-88-99-10
    Fitbit Charge 2
    the average fitness tracker
    Fitbit Charge 2 has a higher user score than the average fitness tracker (9.16 vs 8.000).
    9.16 vs 8
  • 97.4% more popular
    Fitbit Charge 2 has a higher popularity than the average fitness tracker (10 vs 5.1).
    10 vs 5.07
  • Measures VO2 max
    VO2 max
    yes
    This fitness tracker supports VO2 max tracking, while the average fitness tracker does not. 21.8% of fitness trackers support VO2 max tracking.
    Cardio Fitness Score.
  • Lower resting heart rate
    Resting heart rate
    yes
    This fitness tracker supports Resting heart rate, while the average fitness tracker does not. 47.7% of fitness trackers support Resting heart rate.
  • Tracks menstrual cycle
    Menstrual cycle tracking
    yes
    This fitness tracker supports menstrual cycle tracking, while the average fitness tracker does not. 41.7% of fitness trackers support menstrual cycle tracking.
  • Ovulation prediction
    Predicts ovulation
    yes
    This fitness tracker predicts ovulation, while the average fitness tracker does not. 41.6% of fitness trackers predict ovulation.
  • Cycle start prediction
    Predicts start date
    yes
    This fitness tracker predicts the start date, while the average fitness tracker does not. 42.5% of fitness trackers predict the start date.
  • 0.46 inch larger screen size
    Screen size
    1.5 inch
    This fitness tracker has a higher screen size than the average fitness tracker (1.5 inch vs 1.04 inch). The average fitness tracker has a screen size of 1.04 inch.
    1.5 inch vs 1.04 inch
  • Windows compatible
    Compatible with Windows
    yes
    This fitness tracker is compatible with Windows, while the average fitness tracker is not. 22.3% of fitness trackers are compatible with Windows.
    Via Fitbit Connect.
  • Mac OS X compatible
    Compatible with Mac OS X
    yes
    This fitness tracker is compatible with Mac OS X, while the average fitness tracker is not. 28.8% of fitness trackers are compatible with Mac OS X.
    Via Fitbit Connect.
  • 1 more physical buttons
    N. of physical buttons
    1
    This fitness tracker has a higher physical buttons than the average fitness tracker (1 vs 0). The average fitness tracker has 0 of physical buttons.
    1 vs 0
  • Firmware update method
    Firmware update method
    over-the-air / USB
    This fitness tracker 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.
    over-the-air / USB vs over-the-air
  • Gesture control
    Gesture control
    yes
    This fitness tracker supports gesture controls, while the average fitness tracker does not. 40.8% of fitness trackers support gesture controls.
  • Tracks calorie intake
    Calorie intake tracking
    yes
    This fitness tracker supports calorie intake tracking, while the average fitness tracker does not. 39.3% of fitness trackers support calorie intake tracking.
  • Water intake tracking
    Water intake tracking
    yes
    This fitness tracker supports water intake tracking, while the average fitness tracker does not. 42% of fitness trackers support water intake tracking.
  • 5 days shorter battery life
    Battery life
    5 days
    This fitness tracker has a lower battery life than the average fitness tracker (5 days vs 10 days). The average fitness tracker has 10 days of battery life.
    5 days vs 10 days
  • Lower screen resolution
    Screen resolution
    128 x 64
    This fitness tracker has a lower screen resolution than the average fitness tracker (128x64 vs 194x368). The average fitness tracker has a screen resolution of 194x368.
    128x64 vs 194x368
  • 0.5 hours longer charging time
    Charging time
    2 hours
    This fitness tracker has a higher charging time than the average fitness tracker (2 hours vs 1.5 hours). The average fitness tracker needs 1.5 hours to charge.
    2 hours vs 1.5 hours
  • 45.5% smaller battery capacity
    Battery capacity
    60 mAh
    This fitness tracker has a lower battery capacity than the average fitness tracker (60 mAh vs 110 mAh). The average fitness tracker has 110 mAh of battery capacity.
    60 mAh vs 110 mAh
  • 40% heavier
    Thickness
    35 g mm
    This fitness tracker is heavier than the average fitness tracker (35 g vs 25 g). The average fitness tracker weighs 25 g.
    35 g vs 25 g
  • No shock resistance standard
    Shock resistance standard
    none
    This fitness tracker meets a weaker shock resistance standard than the average fitness tracker (none vs MIL-STD-810G). The average fitness tracker meets the MIL-STD-810G shock resistance standard.
    none vs MIL-STD-810G
  • 2x more expensive
    Fitbit Charge 2 is more expensive than the average fitness tracker (£140 vs £70).
    £140 vs £70
  • 1.7 mm thicker design
    Thickness
    12.7 mm
    This fitness tracker 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
  • 2x more expensive
    Fitbit Charge 2 is more expensive than the average fitness tracker (£140 vs £70).
    £140 vs £70
  • 5 days shorter battery life
    Battery life
    5 days
    This fitness tracker has a lower battery life than the average fitness tracker (5 days vs 10 days). The average fitness tracker has 10 days of battery life.
    5 days vs 10 days
  • 0.5 hours longer charging time
    Charging time
    2 hours
    This fitness tracker has a higher charging time than the average fitness tracker (2 hours vs 1.5 hours). The average fitness tracker needs 1.5 hours to charge.
    2 hours vs 1.5 hours
  • 45.5% smaller battery capacity
    Battery capacity
    60 mAh
    This fitness tracker has a lower battery capacity than the average fitness tracker (60 mAh vs 110 mAh). The average fitness tracker has 110 mAh of battery capacity.
    60 mAh vs 110 mAh
  • Lower screen resolution
    Screen resolution
    128 x 64
    This fitness tracker has a lower screen resolution than the average fitness tracker (128x64 vs 194x368). The average fitness tracker has a screen resolution of 194x368.
    128x64 vs 194x368
  • Basic display glass
    Display glass type
    polycarbonate
    This fitness tracker uses less durable display glass than the average fitness tracker (polycarbonate vs glass). The average fitness tracker uses glass display glass.
    polycarbonate vs glass
  • 3.9 m shorter Bluetooth range
    Maximum Bluetooth range
    6.1 m
    This fitness tracker has a shorter Bluetooth range than the average fitness tracker (6.1 m vs 10 m). The average fitness tracker offers a Bluetooth range of 10 m.
    6.1 m vs 10 m
  • 40% heavier
    Thickness
    35 g mm
    This fitness tracker is heavier than the average fitness tracker (35 g vs 25 g). The average fitness tracker weighs 25 g.
    35 g vs 25 g
  • No shock resistance standard
    Shock resistance standard
    none
    This fitness tracker meets a weaker shock resistance standard than the average fitness tracker (none vs MIL-STD-810G). The average fitness tracker meets the MIL-STD-810G shock resistance standard.
    none vs MIL-STD-810G
  • 1.7 mm thicker design
    Thickness
    12.7 mm
    This fitness tracker 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
  • 10 °C higher minimum operating temperature
    Min operating temperature
    -10 °C
    This fitness tracker has a higher minimum operating temperature than the average fitness tracker (-10 °C vs 0 °C). The average fitness tracker supports a minimum operating temperature of 0 °C.
    -10 °C vs 0 °C

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Third-party reviews

Based on 24,477 buyer reviews from online shops.
Reviews last updated: June 2026 · How we calculate this

What we like about Fitbit Charge 2

  • Large, easy-to-read OLED display compared to previous models
  • Comprehensive and user-friendly companion app
  • Continuous heart rate monitoring with PurePulse technology
  • Automatic exercise recognition and sleep tracking
  • Interchangeable bands allowing for style customisation
  • Solid battery life, typically lasting 5 to 7 days
  • Useful guided breathing sessions and 'Reminders to Move'

What we don't like about Fitbit Charge 2

  • Lacks built-in GPS, requiring a connected smartphone for location data
  • Not waterproof; only splash and sweat resistant (cannot be used for swimming)
  • Bulky design can be uncomfortable for some to wear while sleeping
  • Known durability issues with straps cracking or peeling over time
  • Touchscreen can occasionally be unresponsive or finicky to navigate
  • Heart rate accuracy may lag during high-intensity (HIIT) workouts
  • Proprietary charging cable is required and differs from other Fitbit models

Verdict

The Fitbit Charge 2 is a versatile fitness tracker featuring a 1.5-inch monochrome OLED tap-sensitive display and an optical heart rate monitor for continuous PurePulse tracking. It is equipped with a 3-axis accelerometer and an altimeter to monitor steps, distance, calories burned, floors climbed, and sleep stages. Key characteristics include 'Connected GPS' for route mapping via a smartphone, multi-sport modes for specific exercise tracking, and personalized guided breathing sessions based on real-time heart rate. Notable pros include its long 5-day battery life, interchangeable bands for style customization, and automatic exercise recognition through SmartTrack. However, its main drawbacks are the lack of built-in GPS and limited water resistance, making it unsuitable for swimming or showering.

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