Samsung Gear S vs. Fitbit One vs. Casio WSD-F20A vs. Fitbit Charge HR vs. Polar A370

 
Gear S
One
WSD-F20A
Charge HR
A370
 SamsungGear SRemove Buy NowFitbitOneRemove Buy NowCasioWSD-F20ARemove Buy NowFitbitCharge HRRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$250$100$399$150$179.95
Release20132012201820152017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a10-14 days1 day5 daysUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 360n/a320 x 320NA160 x 80
Size2 inchesn/a1.32 inchesNA1.18 inches
TouchNA
TypeSuper AMOLEDOLEDLCDOLEDTFT LCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67Splast Resistant5 ATM1 ATMWR30

Notifications

Phone
Emails
Texts

Software

Operating SystemTizenn/aWear OSNA
Apps
Music

All Wearables