Fitbit Flex 2 vs. Garmin Forerunner 935 vs. Asus ZenWatch vs. Polar Loop vs. Garmin Vivosmart 4

 
Flex 2
Forerunner 935
ZenWatch
Loop
Vivosmart 4
 FitbitFlex 2Remove Buy NowGarminForerunner 935Remove Buy NowAsusZenWatchRemove Buy NowPolarLoopRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$500$150$100$130
Release20162017201420132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 daysUp to 2 weeksNA5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240320 x 320NA48 x 128
Sizen/a1.2 inches1.63 inchesNA0.74 inches
Touchn/a
TypeLEDLCDAMOLEDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP552 ATM5 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNA
Apps
Music

All Wearables