Polar M400 vs. Polar M600 vs. Misfit Ray vs. Polar Loop 2

 
M400
M600
Ray
Loop 2
 PolarM400Remove Buy NowPolarM600Remove Buy NowMisfitRayRemove Buy NowPolarLoop 2Remove Buy Now

Basic Info

Suggested Price$200$330$100$120
Release2014201620162015

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days6 months8 days (without notifications)
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240n/an/a
Sizen/a1.3 inchesn/an/a
Touchn/an/a
Typen/aTFTLEDLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX85 ATM2 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/an/a
Apps
Music

All Wearables