Polar M400 vs. Fitbit Charge 2 vs. Polar A360 vs. Diesel On Full Guard vs. Polar Loop

 
M400
Charge 2
A360
On Full Guard
Loop
 PolarM400Remove Buy NowFitbitCharge 2Remove Buy NowPolarA360Remove Buy NowDieselOn Full GuardRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$200$150$200$325$100
Release20142016201520172013

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days12 days1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a160 x 80454 x 454NA
Sizen/an/a1.18 inches1.4 inchesNA
Touchn/a
Typen/aOLEDn/aOMOLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/aWR30IP672 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aAndroid Wear 2.0NA
Apps
Music

All Wearables