Polar M400 vs. Polar Loop 2 vs. Jawbone UP4 vs. Samsung Gear Fit

 
M400
Loop 2
UP4
Gear Fit
 PolarM400Remove Buy NowPolarLoop 2Remove Buy NowJawboneUP4Remove Buy NowSamsungGear FitRemove Buy Now

Basic Info

Suggested Price$200$120$200$150
Release2014201520152014

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 days (without notifications)NA2-3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/aNA432 x 128
Sizen/an/aNA1.84 inches
TouchNA
Typen/aLEDNASuper AMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATMNAIP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNANA
Apps
MusicNA

All Wearables