Polar Loop 2 vs. Garmin Forerunner 935 vs. Michael Kors Access Sofie vs. Fitbit Charge HR vs. Jawbone UP4

 
Loop 2
Forerunner 935
Access Sofie
Charge HR
UP4
 PolarLoop 2Remove Buy NowGarminForerunner 935Remove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitCharge HRRemove Buy NowJawboneUP4Remove Buy Now

Basic Info

Suggested Price$120$500$395$150$200
Release20152017201720152015

Activity & Fitness

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

Battery

Duration8 days (without notifications)Up to 2 weeks1 day5 daysNA
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240390 x 390 1.19 inchesNANA
Sizen/a1.2 inchesNANA
TouchAMOLDEDNANA
TypeLEDLCDOLEDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0NANA
Apps
MusicNA

All Wearables