Polar M400 vs. Asus ZenWatch vs. Jawbone UP24 vs. Polar A370 vs. Amazfit GTR

 
M400
ZenWatch
UP24
A370
GTR
 PolarM400Remove Buy NowAsusZenWatchRemove Buy NowJawboneUP24Remove Buy NowPolarA370Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$200$150$130$179.95$199
Release20142014201320172019

Activity & Fitness

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

Battery

Duration8 hours to 30 daysNA14 daysUp to 3 days24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320NA160 x 80454 x 454
Sizen/a1.63 inchesNA1.18 inches1.39 inches
TouchNA
Typen/aAMOLEDNATFT LCDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP55Splash ResistantWR305 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating Systemn/aAndroid WearNABuild-in
Apps
Music

All Wearables