Samsung Gear S2 vs. Fitbit One vs. Casio WSD-F20A vs. Fitbit Versa vs. Polar A370

 
Gear S2
One
WSD-F20A
Versa
A370
 SamsungGear S2Remove Buy NowFitbitOneRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitVersaRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$300$100$399$199.99$179.95
Release20152012201820182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2-3 days10-14 days1 day4 daysUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Color
Resolution360 x 360n/a320 x 320300 x300160 x 80
Size1.2 inchesn/a1.32 inches1.34 inches1.18 inches
Touch
TypeSuper AMOLEDOLEDLCDOLEDTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP68Splast Resistant5 ATM5 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aWear OS
Apps
Music

All Wearables