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

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

Basic Info

Suggested Price$300$200$199$99$199
Release20152014201920192019

Activity & Fitness

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

Battery

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

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a300 x 300139 x 60454 x 454
Size1.37 inches or 1.56 inchesn/a1.34 inches1.4 inches1.39 inches
Touch
TypeLCDn/aAMOLEDOLEDAMOLED

Functions

Audio SpeakerBluetoothAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP673 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aBuild-inFitbit OSBuild-in
Apps
Musicn/a

All Wearables