Fitbit Charge 2 vs. Apple Watch Series 2 vs. Asus ZenWatch vs. Fitbit Charge vs. Fitbit Flex

 
Charge 2
Watch Series 2
ZenWatch
Charge
Flex
 FitbitCharge 2Remove Buy NowAppleWatch Series 2Remove Buy NowAsusZenWatchRemove Buy NowFitbitChargeRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$150$269$150$130$100
Release20162016201420142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days18 hoursNA7-10 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a340 x 272 or 390 x 312320 x 320NANA
Sizen/a1.5 inches or 1.65 inches1.63 inchesNANA
Touchn/aNANA
TypeOLEDAMOLEDAMOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5ATMIP551 ATM1 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aWatch OSAndroid WearNANA
Apps
Music

All Wearables