Polar Loop 2 vs. Michael Kors Access Sofie vs. Fitbit Charge vs. Garmin Vivofit 4 vs. Pebble Core

 
Loop 2
Access Sofie
Charge
Vivofit 4
Core
 PolarLoop 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitChargeRemove Buy NowGarminVivofit 4Remove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$120$395$130$79.95$99
Release20152017201420182016

Activity & Fitness

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

Battery

Duration8 days (without notifications)1 day7-10 days1 yearNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a390 x 390 1.19 inchesNA88 x 88NA
Sizen/aNANANA
TouchAMOLDEDNANA
TypeLEDOLEDNANA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM1 ATM1 ATM5 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid Wear 2.0NANA
Apps
Music

All Wearables