Samsung Gear S2 vs. Fitbit Flex 2 vs. Michael Kors Access Sofie vs. Fitbit Charge vs. Polar A370

 
Gear S2
Flex 2
Access Sofie
Charge
A370
 SamsungGear S2Remove Buy NowFitbitFlex 2Remove Buy NowMichael KorsAccess SofieRemove Buy NowFitbitChargeRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$300$100$395$130$179.95
Release20152016201720142017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days5 days1 day7-10 daysUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Colorn/a
Resolution360 x 360n/a390 x 390 1.19 inchesNA160 x 80
Size1.2 inchesn/aNA1.18 inches
Touchn/aAMOLDEDNA
TypeSuper AMOLEDLEDOLEDTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM1 ATM1 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aAndroid Wear 2.0NA
Apps
Music

All Wearables