63points
43points

Fitbit Charge 2

90points
75points

Fitbit Charge 4

Fitbit Charge 2
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Comparison winner
Cost-effectiveness winner
Fitbit Charge 4
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77 facts in comparison

Fitbit Charge 2 vs Fitbit Charge 4

Fitbit Charge 2
Fitbit Charge 4

Why is Fitbit Charge 2 better than Fitbit Charge 4?

  • 1.3mm narrower
    ?

    21.4mmvs22.7mm
  • 5°C higher maximum operating temperature
    ?

    45°Cvs40°C
  • 2000feet higher maximum altitude
    ?

    30000feetvs28000feet
  • Has barcode scanner on app
    ?

Why is Fitbit Charge 4 better than Fitbit Charge 2?

  • Monitors blood oxygenation levels
    ?
  • Has GPS
    ?
  • Has smart alarm
    ?
  • Has branded damage-resistant glass
    ?
  • Has a touch screen
    ?
  • 40m higher waterproof depth rating
    ?

    50mvs10m
  • Has NFC
    ?
  • Has call control
    ?

Price comparison

Fitbit Charge 2

ProductStorePrice
Fitbit Charge 2 AmazonFitbit Charge 2 Heart Rate + Fitness Wri...Fitbit Charge 2 Heart Rate + Fitness Wristband, Plum, Large (International Version)
Amazon logo
$146.78

Fitbit Charge 4

Buy used:

$142.68

ProductStorePrice
Fitbit Charge 4 AmazonFitbit Charge 4 Fitness and Activity Tra...Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Black/Black, One Size (S &L Bands Included)
Amazon logo
$128.95
Fitbit Charge 4 AmazonFitbit Charge 4 Black Advanced Fitness T...Fitbit Charge 4 Black Advanced Fitness Tracker
Amazon logo
$219.99
Fitbit Charge 4 AmazonFitbit Charge 4 Fitness and Activity Tra...Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Rosewood/Rosewood, One Size (S &L Bands Included)
Amazon logo
$129.95
Fitbit Charge 4 pricegrabberFitbit Rosewood Charge 4 Fitness Tracker...Fitbit Rosewood Charge 4 Fitness Tracker
pricegrabber logo
$129.95

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Design

1.is dustproof and water-resistant
Fitbit Charge 2
Fitbit Charge 4
The device is dustproof and water-resistant. Water-resistant devices can resist the penetration of water, such as powerful water jets, but not being submerged into water.
2.sweat resistance
Fitbit Charge 2
Fitbit Charge 4
Resistance to sweat makes it ideal for use while doing sports.
3.Has a display
Fitbit Charge 2
Fitbit Charge 4
The device has an electronic display to present information to the user.
4.has branded damage-resistant glass
Fitbit Charge 2
Fitbit Charge 4
Damage-resistant glass (such as Corning Gorilla Glass or Asahi Dragontrail Glass) is thin, lightweight, and can withstand high levels of force.
5.has a touch screen
Fitbit Charge 2
Fitbit Charge 4
You can operate the device easily, by pressing the screen with your fingers.
The waterproof depth rating indicates how well the device is protected against water ingress and water pressure. Devices which can withstand more water pressure are better for swimming or diving.
7.Watch band is replaceable
Fitbit Charge 2
Fitbit Charge 4
The watch band is removable and can be replaced by any standard watch band of the correct size, allowing you to customise it to your liking.
8.width

21.4mm

22.7mm

The width represents the horizontal dimension of the product. We consider a smaller width better because it assures easy maneuverability.
9.Has an OLED or AMOLED display
Fitbit Charge 2
Fitbit Charge 4
OLED (Organic Light-Emitting Diode) displays are formed of organic materials that emit light. They have higher contrast ratios and wider viewing angles compared to LCDs. AMOLED and POLED are types of OLED displays.

Sensors

1.Has a heart rate monitor
Fitbit Charge 2
Fitbit Charge 4
A heart rate monitor can help show your fitness levels, enabling you to calculate a suitable intensity of exercise.
2.Monitors blood oxygenation levels
Fitbit Charge 2
Fitbit Charge 4
Your blood oxygen level is a measurement how much oxygen is reaching your muscles. It is important because low levels mean that you will become easily fatigued during exercise. The more exercise you do, the better your blood oxygen levels will become.
3.has GPS
Fitbit Charge 2
Fitbit Charge 4
GPS enables global positioning, useful in map, geo-tagging or navigation apps.
4.has an accelerometer
Fitbit Charge 2
Fitbit Charge 4
An accelerometer is a sensor used to measure the linear acceleration of a device. A common application is detecting when a device changes between vertical and horizontal positions.
5.Has a barometer
Fitbit Charge 2
Fitbit Charge 4
This measures barometric air pressure. It can predict weather changes, for example a sudden drop in air pressure could mean a storm is coming. When calibrated correctly it can be used to determine altitude, which helps GPS devices to lock on quicker and with greater accuracy.

Activity tracking

1.Tracks your sleep
Fitbit Charge 2
Fitbit Charge 4
It can track your sleep, such as how long you sleep for and the quality.
2.Detects activities automatically
Fitbit Charge 2
Fitbit Charge 4
The device automatically detects when you start an activity such as jogging, saving you from entering it manually at a later time.
3.Tracks elevation
Fitbit Charge 2
Fitbit Charge 4
It can detect changes in elevation, such as when you are climbing stairs.
4.Tracks distance
Fitbit Charge 2
Fitbit Charge 4
It tracks how far you travel.
5.Provides sleep reports
Fitbit Charge 2
Fitbit Charge 4 (Fitbit App)
Your sleep data is analysed to give you a report, available to view through the app or website. This allows you to see the quality of your sleep and to help you make improvements.
6.Measures pace
Fitbit Charge 2
Fitbit Charge 4
Measuring pace shows how much time it takes to travel one kilometer or one mile. For example, in running, a 4 minute kilometer would be a very good pace.
7.Provides activity reports
Fitbit Charge 2
Fitbit Charge 4 (Fitbit App)
Your activity data is analysed to give you reports, available to view through the app or website. This allows you to see how active you have been and to help you make improvements.
8.Tracks steps taken
Fitbit Charge 2
Fitbit Charge 4
It tracks how many steps you take throughout the day, allowing you to see how active you have been.
9.Counts how many calories you've burned
Fitbit Charge 2
Fitbit Charge 4
This is useful if you are on a strict training diet or if you are trying to lose weight. It can also help to boost your motivation.

Connectivity

1.Is compatible with Android
Fitbit Charge 2
Fitbit Charge 4
It is compatible with a range of Android devices such as smartphones and tablets.
2.Syncs wirelessly
Fitbit Charge 2
Fitbit Charge 4
The device syncs all of your data wirelessly, without the need for cables.
3.Automatically syncs
Fitbit Charge 2
Fitbit Charge 4
The device automatically syncs your data when in range of your computer or smartphone.
Bluetooth is a wireless technology standard that allows data transfers between devices placed in close proximity, using short-wavelength, ultra-high frequency radio waves. Newer versions provide faster data transfers.
5.has NFC
Fitbit Charge 2
Fitbit Charge 4
NFC (near-field communication) allows a device to perform simple wireless transactions, such as mobile payments. Note: this feature may not be available in all markets.
6.Is compatible with iOS
Fitbit Charge 2
Fitbit Charge 4
It is compatible with a range of iOS devices such as iPhones, iPads and the iPod Touch.
7.Is compatible with Windows
Fitbit Charge 2
Fitbit Charge 4
It is compatible with PCs and laptops running the Windows operating system.
8.Is compatible with Mac OS X
Fitbit Charge 2
Fitbit Charge 4
It is compatible with Mac OS X devices such as MacBooks and iMacs.

Battery

1.battery life

7 days

7 days

With a longer battery life, you don’t have to worry about charging the device as often.
2.has a battery level indicator
Fitbit Charge 2
Fitbit Charge 4
An indicator shows you when the device has low battery.
3.has a rechargeable battery
Fitbit Charge 2
Fitbit Charge 4
The battery can be recharged and used over again.

Features

1.Has smart alarm
Fitbit Charge 2
Fitbit Charge 4
It determines when you are in a light state of sleep and wakes you up within a set period of time before your alarm. This can allow you to wake up feeling fresher and more alert.
2.Has silent alarm
Fitbit Charge 2
Fitbit Charge 4
The device can wake you using vibration, so as not to disturb anyone else sleeping in the room.
3.Has notifications
Fitbit Charge 2
Fitbit Charge 4
If you get a notification such as a call or message, the device will vibrate on your wrist or make a noise to alert you.
4.Has inactivity alerts
Fitbit Charge 2
Fitbit Charge 4
The device detects when you have been idle for too long, and alerts you to encourage you to stay active.
5.Has a stopwatch
Fitbit Charge 2
Fitbit Charge 4
With a stopwatch you can time yourself.
6.Has vibrating alerts
Fitbit Charge 2
Fitbit Charge 4
Vibrating alerts have a variety of uses, such as interval training.
7.Has call control
Fitbit Charge 2
Fitbit Charge 4
The device alerts you to incoming calls on your smartphone, and allows you extra control such as muting or rejecting the call.
8.Has achievements
Fitbit Charge 2
Fitbit Charge 4
You are awarded achievements for reaching goals, helping to encourage you and keep you motivated.
9.Free app
Fitbit Charge 2 (Fitbit App)
Fitbit Charge 4 (Fitbit App)
You can download the app for free, from platforms such as Google Play or the App Store.

Price comparison

Fitbit Charge 2

ProductStorePrice
Fitbit Charge 2 AmazonFitbit Charge 2 Heart Rate + Fitness Wri...Fitbit Charge 2 Heart Rate + Fitness Wristband, Plum, Large (International Version)
Amazon logo
$146.78

Fitbit Charge 4

Buy used:

$142.68

ProductStorePrice
Fitbit Charge 4 AmazonFitbit Charge 4 Fitness and Activity Tra...Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Black/Black, One Size (S &L Bands Included)
Amazon logo
$128.95
Fitbit Charge 4 AmazonFitbit Charge 4 Black Advanced Fitness T...Fitbit Charge 4 Black Advanced Fitness Tracker
Amazon logo
$219.99
Fitbit Charge 4 AmazonFitbit Charge 4 Fitness and Activity Tra...Fitbit Charge 4 Fitness and Activity Tracker with Built-in GPS, Heart Rate, Sleep & Swim Tracking, Rosewood/Rosewood, One Size (S &L Bands Included)
Amazon logo
$129.95
Fitbit Charge 4 pricegrabberFitbit Rosewood Charge 4 Fitness Tracker...Fitbit Rosewood Charge 4 Fitness Tracker
pricegrabber logo
$129.95

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