ASUS ZenWatch 2 vs. Amazfit Stratos vs. Fitbit Alta HR vs. Fitbit Charge vs. Polar A370

 
ZenWatch 2
Stratos
Alta HR
Charge
A370
 ASUSZenWatch 2Remove Buy NowAmazfitStratosRemove Buy NowFitbitAlta HRRemove Buy NowFitbitChargeRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$150$199$150$130$179.95
Release20162018201720142017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days7 days7-10 daysUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution320 x 320320 x 300128 x 36NA160 x 80
Size1.63 inches or 1.45 inch1.34 inches1.4 inchesNA1.18 inches
TouchNA
TypeAMOLEDOLEDOLEDOLEDTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATM1 ATMWR30

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid WearProprietaryNA
Apps
Music

All Wearables