Fitbit Flex 2 vs. Asus ZenWatch vs. Fitbit Charge vs. Fitbit Charge HR vs. Fitbit Flex

 
Flex 2
ZenWatch
Charge
Charge HR
Flex
 FitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowFitbitChargeRemove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$100$150$130$150$100
Release20162014201420152013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysNA7-10 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANANANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 320NANANA
Sizen/a1.63 inchesNANANA
Touchn/aNANANA
TypeLEDAMOLEDOLEDOLEDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP551 ATM1 ATM1 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNANANA
Apps
Music

All Wearables