Fitbit Charge 2 vs. Polar M430 vs. Michael Kors Access Sofie vs. Fitbit Flex vs. Michael Kors Access Sofie HR

 
Charge 2
M430
Access Sofie
Flex
Access Sofie HR
 FitbitCharge 2Remove Buy NowPolarM430Remove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitFlexRemove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$150$255$395$100$395
Release20162017201720132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days30 hours1 day5 days2 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128x128390 x 390 1.19 inchesNA390 x 390
Sizen/a1.4 inchNA1.19 inches
Touchn/aAMOLDEDNA
TypeOLEDLCDLEDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/aWR301 ATM1 ATM0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0NAWear OS
Apps
Music

All Wearables