Polar M400 vs. Fitbit Alta vs. Microsoft Band 2 vs. Misfit Flash vs. Misfit Ray

 
M400
Alta
Band 2
Flash
Ray
 PolarM400Remove Buy NowFitbitAltaRemove Buy NowMicrosoftBand 2Remove Buy NowMisfitFlashRemove Buy NowMisfitRayRemove Buy Now

Basic Info

Suggested Price$200$130$250$30$100
Release20142016201520142016

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days48 hours (without GPS)6 months6 months
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/a320 x 128n/an/a
Sizen/an/a1.36 inchesn/an/a
Touchn/an/an/a
Typen/aOLEDCapacitative TFTn/aLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/aIPX73 ATM5 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating Systemn/an/an/an/an/a
Apps
Music

All Wearables