Polar M400 vs. Moov Now vs. Polar A360 vs. Amazfit GTR vs. HTC re Grip

 
M400
Now
A360
GTR
re Grip
 PolarM400Remove Buy NowMoovNowRemove Buy NowPolarA360Remove Buy NowAmazfitGTRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$79$200$199$199
Release20142015201520192020

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months12 days24 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a160 x 80454 x 454160 x 32
Sizen/an/a1.18 inches1.39 inches1.8 inches
Touchn/a
Typen/an/an/aAMOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMn/aWR305 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aBuild-inNA
Apps
Music

All Wearables