Polar M400 vs. Samsung Gear S vs. Fitbit One vs. Polar A370 vs. Samsung Gear Fit2 Pro

 
M400
Gear S
One
A370
Gear Fit2 Pro
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowFitbitOneRemove Buy NowPolarA370Remove Buy NowSamsungGear Fit2 ProRemove Buy Now

Basic Info

Suggested Price$200$250$100$179.95$199.99
Release20142013201220172017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 daysn/a10-14 daysUp to 3 days2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 360n/a160 x 80216 x 432
Sizen/a2 inchesn/a1.18 inches1.5 inches
Touch
Typen/aSuper AMOLEDOLEDTFT LCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP67Splast ResistantWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenn/aTizen OS
Apps
Music

All Wearables