Polar M400 vs. Polar M600 vs. Samsung Gear S vs. TomTom Spark vs. Fitbit Alta HR

 
M400
M600
Gear S
Spark
Alta HR
 PolarM400Remove Buy NowPolarM600Remove Buy NowSamsungGear SRemove Buy NowTomTomSparkRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$200$330$250$150$150
Release20142016201320152017

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 daysn/an/a7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240480 x 360n/a128 x 36
Sizen/a1.3 inches2 inchesn/a1.4 inches
Touchn/a
Typen/aTFTSuper AMOLEDLCDOLED

Functions

Audio SpeakerAlerts onlyAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX8IP675 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aAndroid WearTizenn/a
Apps
Music

All Wearables