Polar M400 vs. Polar Loop 2 vs. Casio G-Shock GBA800 vs. Fitbit Alta HR vs. Jawbone UP2

 
M400
Loop 2
G-Shock GBA800
Alta HR
UP2
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowCasioG-Shock GBA800Remove Buy NowFitbitAlta HRRemove Buy NowJawboneUP2Remove Buy Now

Basic Info

Suggested Price$200$120$120$150$100
Release20142015201820172015

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)2 years7 days7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a128 x 36NA
Sizen/an/a1.4 inchesNA
TouchNA
Typen/aLEDOLEDNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATM20 ATMSplash resistant

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables