Polar Loop 2 vs. Michael Kors Access Sofie vs. Fitbit Flex vs. Jawbone UP3 vs. Garmin Vivosmart 4

 
Loop 2
Access Sofie
Flex
UP3
Vivosmart 4
 PolarLoop 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitFlexRemove Buy NowJawboneUP3Remove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$120$395$100$180$130
Release20152017201320132018

Activity & Fitness

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

Battery

Duration8 days (without notifications)1 day5 days7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a390 x 390 1.19 inchesNANA48 x 128
Sizen/aNANA0.74 inches
TouchAMOLDEDNANA
TypeLEDLEDNAOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATM1 ATM1 ATMNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0NANA
Apps
MusicNA

All Wearables