Polar M400 vs. Fitbit Alta vs. Microsoft Band 2 vs. Misfit Ray vs. Michael Kors Access Sofie

 
M400
Alta
Band 2
Ray
Access Sofie
 PolarM400Remove Buy NowFitbitAltaRemove Buy NowMicrosoftBand 2Remove Buy NowMisfitRayRemove Buy NowMichael KorsAccess SofieRemove Buy Now

Basic Info

Suggested Price$200$130$250$100$395
Release20142016201520162017

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days48 hours (without GPS)6 months1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a320 x 128n/a390 x 390 1.19 inches
Sizen/an/a1.36 inchesn/a
Touchn/an/aAMOLDED
Typen/aOLEDCapacitative TFTLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/aIPX75 ATM1 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/an/aAndroid Wear 2.0
Apps
Music

All Wearables