Polar Loop 2 vs. Asus ZenWatch vs. Garmin Forerunner 235 vs. Fitbit Charge vs. Garmin Vivosmart 4

 
Loop 2
ZenWatch
Forerunner 235
Charge
Vivosmart 4
 PolarLoop 2Remove Buy NowAsusZenWatchRemove Buy NowGarminForerunner 235Remove Buy NowFitbitChargeRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$120$150$299.99$130$130
Release20152014201720142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 days (without notifications)NA9 days7-10 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320215 x 180NA48 x 128
Sizen/a1.63 inches1.23 inchesNA0.74 inches
TouchNA
TypeLEDAMOLEDMIPOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP555 ATM1 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNA
Apps
Music

All Wearables