Polar M400 vs. Sony SmartBand 2 vs. Polar Loop vs. Samsung Gear Fit2 Pro

 
M400
SmartBand 2
Loop
Gear Fit2 Pro
 PolarM400Remove Buy NowSonySmartBand 2Remove Buy NowPolarLoopRemove Buy NowSamsungGear Fit2 ProRemove Buy Now

Basic Info

Suggested Price$200$130$100$199.99
Release2014201520132017

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days5 days2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/aNA216 x 432
Sizen/an/aNA1.5 inches
Touchn/a
Typen/an/aLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP582 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNATizen OS
Apps
Music

All Wearables