ASUS ZenWatch 2 vs. Fitbit Charge 2 vs. Amazfit Stratos vs. Asus VivoWatch vs. Fitbit Alta HR

 
ZenWatch 2
Charge 2
Stratos
VivoWatch
Alta HR
 ASUSZenWatch 2Remove Buy NowFitbitCharge 2Remove Buy NowAmazfitStratosRemove Buy NowAsusVivoWatchRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$150$150$199$160$150
Release20162016201820182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days5 days24 hours to 10 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320n/a320 x 300128 x 128128 x 36
Size1.63 inches or 1.45 inchn/a1.34 inchesNA1.4 inches
Touchn/a
TypeAMOLEDOLEDOLEDNAOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water ResistanceIP67n/a5 ATMIP67

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/aProprietaryKoodOS
Apps
Music

All Wearables