Polar M400 vs. Garmin Forerunner 935 vs. Apple Watch vs. Fitbit Flex vs. Pebble Core

 
M400
Forerunner 935
Watch
Flex
Core
 PolarM400Remove Buy NowGarminForerunner 935Remove Buy NowAppleWatchRemove Buy NowFitbitFlexRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$200$500$349$100$99
Release20142017201520132016

Activity & Fitness

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

Battery

Duration8 hours to 30 daysUp to 2 weeks18 hours5 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/aNANANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240340 x 272 or 390 x 312NANA
Sizen/a1.2 inches1.5 inches or 1.65 inchesNANA
TouchNANA
Typen/aLCDAMOLEDLEDNA

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIPX71 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aWatch OSNANA
Apps
Music

All Wearables