Polar M400 vs. Samsung Gear S vs. Samsung Gear S3 vs. Fitbit One vs. Polar A370

 
M400
Gear S
Gear S3
One
A370
 PolarM400Remove Buy NowSamsungGear SRemove Buy NowSamsungGear S3Remove Buy NowFitbitOneRemove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$200$250$350$100$179.95
Release20142013201620122017

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a4 days10-14 daysUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPS
NFCn/a
Wi-Fi

Display

Color
Resolutionn/a480 x 360360 x 360n/a160 x 80
Sizen/a2 inches1.3 inchesn/a1.18 inches
Touch
Typen/aSuper AMOLEDFullcolor AODOLEDTFT LCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP67IP68Splast ResistantWR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aTizenTizenn/a
Apps
Music

All Wearables