ASUS ZenWatch 2 vs. Polar M400 vs. Polar M600 vs. Asus ZenWatch vs. Fitbit Flex

 
ZenWatch 2
M400
M600
ZenWatch
Flex
 ASUSZenWatch 2Remove Buy NowPolarM400Remove Buy NowPolarM600Remove Buy NowAsusZenWatchRemove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$150$200$330$150$100
Release20162014201620142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a8 hours to 30 days2 daysNA5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a240 x 240320 x 320NA
Size1.63 inches or 1.45 inchn/a1.3 inches1.63 inchesNA
Touchn/aNA
TypeAMOLEDn/aTFTAMOLEDLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMIPX8IP551 ATM

Notifications

Phone
Emailsn/aNA
Textsn/aNA

Software

Operating SystemAndroid Wearn/aAndroid WearAndroid WearNA
Apps
Music

All Wearables