ASUS ZenWatch 2 vs. Fitbit Alta vs. Amazfit Stratos vs. Fitbit Flex vs. Michael Kors Access Sofie HR

 
ZenWatch 2
Alta
Stratos
Flex
Access Sofie HR
 ASUSZenWatch 2Remove Buy NowFitbitAltaRemove Buy NowAmazfitStratosRemove Buy NowFitbitFlexRemove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$150$130$199$100$395
Release20162016201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days5 days5 days2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a320 x 300NA390 x 390
Size1.63 inches or 1.45 inchn/a1.34 inchesNA1.19 inches
Touchn/aNA
TypeAMOLEDOLEDOLEDLEDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67n/a5 ATM1 ATM0.3 ATM

Notifications

Phone
Emailsn/an/a
Textsn/a

Software

Operating SystemAndroid Wearn/aProprietaryNAWear OS
Apps
Music

All Wearables