Polar M600 vs. Polar Loop 2 vs. Fitbit Charge vs. Garmin Vivofit 4 vs. Garmin Vivosmart HR Plus

 
M600
Loop 2
Charge
Vivofit 4
Vivosmart HR Plus
 PolarM600Remove Buy NowPolarLoop 2Remove Buy NowFitbitChargeRemove Buy NowGarminVivofit 4Remove Buy NowGarminVivosmart HR PlusRemove Buy Now

Basic Info

Suggested Price$330$120$130$79.95$179
Release20162015201420182017

Activity & Fitness

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

Battery

Duration2 days8 days (without notifications)7-10 days1 year5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/aNA88 x 88160 x 68
Size1.3 inchesn/aNANA0.5 inches x 0.8 inches
Touchn/aNA
TypeTFTLEDOLEDNALCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX82 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aNANA
Apps
Music

All Wearables