Fitbit Flex 2 vs. Michael Kors Access Sofie vs. Garmin Vivofit 4 vs. Polar Loop vs. Garmin Instinct

 
Flex 2
Access Sofie
Vivofit 4
Loop
Instinct
 FitbitFlex 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowGarminVivofit 4Remove Buy NowPolarLoopRemove Buy NowGarminInstinctRemove Buy Now

Basic Info

Suggested Price$100$395$79.95$100$300
Release20162017201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day1 year5 days14 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a390 x 390 1.19 inches88 x 88NA128 x 128
Sizen/aNANA0.9 inches
Touchn/aAMOLDED
TypeLEDNALEDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATM2 ATM10 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0NA
Apps
Music

All Wearables