Fitbit Flex 2 vs. Michael Kors Access Sofie vs. Fitbit Charge 3 vs. Polar A370 vs. Fitbit Sense 2

 
Flex 2
Access Sofie
Charge 3
A370
Sense 2
 FitbitFlex 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitCharge 3Remove Buy NowPolarA370Remove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$100$395$150$179.95$300
Release20162017201820172022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day7 daysUp to 3 days6 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/a390 x 390 1.19 inches66 x 18160 x 80336x336
Sizen/a.721 inches1.18 inches1.59 inches
Touchn/aAMOLDED
TypeLEDOLEDTFT LCDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM1 ATM5 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0NA
Apps
Music

All Wearables