Fitbit Surge vs. Fitbit Flex 2 vs. Asus ZenWatch vs. Casio WSD-F20A vs. Fitbit Flex

 
Surge
Flex 2
ZenWatch
WSD-F20A
Flex
 FitbitSurgeRemove Buy NowFitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$250$100$150$399$100
Release20162016201420182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 daysNA1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 320320 x 320NA
Size1.26 inchesn/a1.63 inches1.32 inchesNA
Touchn/aNA
TypeMonochrome LCDLEDAMOLEDLCDLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP555 ATM1 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/an/aAndroid WearWear OSNA
Apps
Music

All Wearables