Polar M400 vs. Samsung Gear S2 vs. TomTom Spark vs. Fitbit Flex 2 vs. Polar A360

 
M400
Gear S2
Spark
Flex 2
A360
 PolarM400Remove Buy NowSamsungGear S2Remove Buy NowTomTomSparkRemove Buy NowFitbitFlex 2Remove Buy NowPolarA360Remove Buy Now

Basic Info

Suggested Price$200$300$150$100$200
Release20142015201520162015

Activity & Fitness

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

Battery

Duration8 hours to 30 days2-3 daysn/a5 days12 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/a360 x 360n/an/a160 x 80
Sizen/a1.2 inchesn/an/a1.18 inches
Touchn/a
Typen/aSuper AMOLEDLCDLEDn/a

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATM5 ATMWR30

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/aTizenn/an/an/a
Apps
Music

All Wearables