Motorola Moto 360 (2nd Gen) vs. Polar M400 vs. Polar M600 vs. Fitbit Inspire HR vs. Amazfit GTR

 
Moto 360 (2nd Gen)
M400
M600
Inspire HR
GTR
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPolarM400Remove Buy NowPolarM600Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$300$200$330$99$199
Release20152014201620192019

Activity & Fitness

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

Battery

Duration1.5 days8 hours to 30 days2 days5 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a240 x 240139 x 60454 x 454
Size1.37 inches or 1.56 inchesn/a1.3 inches1.4 inches1.39 inches
Touchn/a
TypeLCDn/aTFTOLEDAMOLED

Functions

Audio SpeakerBluetoothAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATMIPX85 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearFitbit OSBuild-in
Apps
Musicn/a

All Wearables