Fitbit Charge 2 vs. Fitbit Flex 2 vs. Asus ZenWatch vs. Fitbit Charge vs. Amazfit GTS

 
Charge 2
Flex 2
ZenWatch
Charge
GTS
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowFitbitChargeRemove Buy NowAmazfitGTSRemove Buy Now

Basic Info

Suggested Price$150$100$150$130$150
Release20162016201420142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 daysNA7-10 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 320NA348 x 442
Sizen/an/a1.63 inchesNA1.65 inches
Touchn/an/aNA
TypeOLEDLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP551 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid WearNAWear OS
Apps
Music

All Wearables