Polar M400 vs. Polar M600 vs. Fossil Explorist vs. Motorola Moto 360 (1st Gen) vs. Amazfit GTR

 
M400
M600
Explorist
Moto 360 (1st Gen)
GTR
 PolarM400Remove Buy NowPolarM600Remove Buy NowFossilExploristRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$200$330$255$150$199
Release20142016201820142019

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days24 hours1 day24 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240454 x454320 x 260454 x 454
Sizen/a1.3 inches1.4 inches1.56 inches1.39 inches
Touchn/a
Typen/aTFTAMOLEDLCDAMOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX8IP67IP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWear OSAndroid WearBuild-in
Apps
MusicNA

All Wearables