Fitbit Flex 2 vs. LG Watch Style vs. Fitbit Charge vs. Garmin Vivosmart 4 vs. Amazfit GTS

 
Flex 2
Watch Style
Charge
Vivosmart 4
GTS
 FitbitFlex 2Remove Buy NowLGWatch StyleRemove Buy NowFitbitChargeRemove Buy NowGarminVivosmart 4Remove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$100$249$130$130$150
Release20162017201420182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7-10 days7 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a360 x 360NA48 x 128348 x 442
Sizen/a1.2 inchesNA0.74 inches1.65 inches
Touchn/aNA
TypeLEDP-OLEDOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP671 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2NAWear OS
Apps
Music

All Wearables