Polar M400 vs. Microsoft Band 2 vs. Fitbit Ionic vs. Amazfit Stratos vs. Pebble Core

 
M400
Band 2
Ionic
Stratos
Core
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowFitbitIonicRemove Buy NowAmazfitStratosRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$200$250$299$199$99
Release20142015201720182016

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)4+ days5 daysNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 128348x250320 x 300NA
Sizen/a1.36 inches1.421.34 inchesNA
TouchNA
Typen/aCapacitative TFTOLEDOLEDNA

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX750m5 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/an/aFitbit OSProprietaryNA
Apps
Music

All Wearables