Polar M600 vs. Motorola Moto 360 (1st Gen) vs. Fitbit Flex vs. Garmin Vivosmart 4 vs. Garmin VivoActive 4

 
M600
Moto 360 (1st Gen)
Flex
Vivosmart 4
VivoActive 4
 PolarM600Remove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$330$150$100$130$349
Release20162014201320182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days1 day5 days7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240320 x 260NA48 x 128260 x 260
Size1.3 inches1.56 inchesNA0.74 inches1.3ionches
Touchn/aNA
TypeTFTLCDLEDOLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP671 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid WearNAWear OS
Apps
MusicNA

All Wearables