Polar M600 vs. Polar Loop 2 vs. Fitbit Alta HR vs. Garmin Vivofit 4 vs. Polar Loop

 
M600
Loop 2
Alta HR
Vivofit 4
Loop
 PolarM600Remove Buy NowPolarLoop 2Remove Buy NowFitbitAlta HRRemove Buy NowGarminVivofit 4Remove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$330$120$150$79.95$100
Release20162015201720182013

Activity & Fitness

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

Battery

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

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a128 x 3688 x 88NA
Size1.3 inchesn/a1.4 inchesNANA
Touchn/a
TypeTFTLEDOLEDNALED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX82 ATM5 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aNA
Apps
Music

All Wearables