Polar Loop 2 vs. Jawbone UP4 vs. Polar Loop vs. Garmin Forerunner 45 vs. Michael Kors Access Sofie HR

 
Loop 2
UP4
Loop
Forerunner 45
Access Sofie HR
 PolarLoop 2Remove Buy NowJawboneUP4Remove Buy NowPolarLoopRemove Buy NowGarminForerunner 45Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$120$200$100$199$395
Release20152015201320192019

Activity & Fitness

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

Battery

Duration8 days (without notifications)NA5 days7 days2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/aNANA208 x 208390 x 390
Sizen/aNANA1.04 inches1.19 inches
TouchNA
TypeLEDNALEDLCDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMNA2 ATM5 ATM0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANABuilt-inWear OS
Apps
MusicNA

All Wearables