Polar M400 vs. Microsoft Band 2 vs. Polar Loop 2 vs. Fitbit Flex vs. Pebble Core

 
M400
Band 2
Loop 2
Flex
Core
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowPolarLoop 2Remove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$200$250$120$100$99
Release20142015201520132016

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)8 days (without notifications)5 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNANA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 128n/aNANA
Sizen/a1.36 inchesn/aNANA
TouchNANA
Typen/aCapacitative TFTLEDLEDNA

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX72 ATM1 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/an/aNANA
Apps
Music

All Wearables