Fitbit Charge 2 vs. Fitbit Flex 2 vs. Samsung Gear Fit2 vs. Michael Kors Access Sofie vs. Polar A370

 
Charge 2
Flex 2
Gear Fit2
Access Sofie
A370
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowSamsungGear Fit2Remove Buy NowMichael KorsAccess SofieRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$150$100$180$395$179.95
Release20162016201620172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days3-4 days1 dayUp to 3 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a432 x 216390 x 390 1.19 inches160 x 80
Sizen/an/a1.5 inches1.18 inches
Touchn/an/aAMOLDED
TypeOLEDLEDSuper AMOLEDTFT LCD

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATMIP681 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aTizenAndroid Wear 2.0
Apps
Music

All Wearables