Motorola Moto 360 (2nd Gen) vs. Pebble Time Round vs. Fitbit Charge 3 vs. Polar A370 vs. Amazfit GTR

 
Moto 360 (2nd Gen)
Time Round
Charge 3
A370
GTR
 MotorolaMoto 360 (2nd Gen)Remove Buy NowPebbleTime RoundRemove Buy NowFitbitCharge 3Remove Buy NowPolarA370Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$300$200$150$179.95$199
Release20152015201820172019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration1.5 days2 days7 daysUp to 3 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution360 x 325 or 360 x 330n/a66 x 18160 x 80454 x 454
Size1.37 inches or 1.56 inchesround.721 inches1.18 inches1.39 inches
Touch
TypeLCDe-paperOLEDTFT LCDAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP67IPX75 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearPebble OSNABuild-in
Apps
Musicn/a

All Wearables