Polar M400 vs. Fitbit Zip vs. Diesel On Full Guard vs. Pebble Time 2 vs. Pebble Core

 
M400
Zip
On Full Guard
Time 2
Core
 PolarM400Remove Buy NowFitbitZipRemove Buy NowDieselOn Full GuardRemove Buy NowPebbleTime 2Remove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$200$60$325$199$99
Release20142012201720162016

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months1 day10 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a454 x 454NANA
Sizen/an/a1.4 inchesNANA
TouchNA
Typen/an/aOMOLEDe-paperNA

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMSplash ResistantIP673 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

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

All Wearables