Polar M600 vs. Fitbit One vs. Polar A360 vs. Amazfit GTR vs. HTC re Grip

 
M600
One
A360
GTR
re Grip
 PolarM600Remove Buy NowFitbitOneRemove Buy NowPolarA360Remove Buy NowAmazfitGTRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$330$100$200$199$199
Release20162012201520192020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days10-14 days12 days24 days5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a160 x 80454 x 454160 x 32
Size1.3 inchesn/a1.18 inches1.39 inches1.8 inches
Touchn/a
TypeTFTOLEDn/aAMOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8Splast ResistantWR305 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aBuild-inNA
Apps
Music

All Wearables