ASUS ZenWatch 2 vs. Polar M600 vs. Fitbit Alta HR vs. Fitbit Flex vs. HTC re Grip

 
ZenWatch 2
M600
Alta HR
Flex
re Grip
 ASUSZenWatch 2Remove Buy NowPolarM600Remove Buy NowFitbitAlta HRRemove Buy NowFitbitFlexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$150$330$150$100$199
Release20162016201720132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a2 days7 days5 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320240 x 240128 x 36NA160 x 32
Size1.63 inches or 1.45 inch1.3 inches1.4 inchesNA1.8 inches
Touchn/aNA
TypeAMOLEDTFTOLEDLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IPX81 ATMIP57

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearAndroid WearNANA
Apps
Music

All Wearables