Polar M600 vs. Fitbit Alta vs. Fitbit Flex 2 vs. Asus ZenWatch vs. Casio WSD-F20A

 
M600
Alta
Flex 2
ZenWatch
WSD-F20A
 PolarM600Remove Buy NowFitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowAsusZenWatchRemove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$330$130$100$150$399
Release20162016201620142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days5 daysNA1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/an/a320 x 320320 x 320
Size1.3 inchesn/an/a1.63 inches1.32 inches
Touchn/an/an/a
TypeTFTOLEDLEDAMOLEDLCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/a5 ATMIP555 ATM

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating SystemAndroid Wearn/an/aAndroid WearWear OS
Apps
Music

All Wearables