Polar M400 vs. Fitbit Alta vs. Polar Loop 2 vs. Asus ZenWatch vs. Jawbone UP2

 
M400
Alta
Loop 2
ZenWatch
UP2
 PolarM400Remove Buy NowFitbitAltaRemove Buy NowPolarLoop 2Remove Buy NowAsusZenWatchRemove Buy NowJawboneUP2Remove Buy Now

Basic Info

Suggested Price$200$130$120$150$100
Release20142016201520142015

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days8 days (without notifications)NA7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/an/a320 x 320NA
Sizen/an/an/a1.63 inchesNA
Touchn/aNA
Typen/aOLEDLEDAMOLEDNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/a2 ATMIP55Splash resistant

Notifications

Phone
Emailsn/aNA
TextsNA

Software

Operating Systemn/an/an/aAndroid WearNA
Apps
Music

All Wearables