Polar M600 vs. Withings Steel HR vs. Fitbit Charge 3 vs. Fitbit Inspire HR vs. Amazfit GTR

 
M600
Steel HR
Charge 3
Inspire HR
GTR
 PolarM600Remove Buy NowWithingsSteel HRRemove Buy NowFitbitCharge 3Remove Buy NowFitbitInspire HRRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$330$180$150$99$199
Release20162016201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days25 days7 days5 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution240 x 240n/a66 x 18139 x 60454 x 454
Size1.3 inchesn/a.721 inches1.4 inches1.39 inches
Touchn/a
TypeTFTn/aOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM5 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aNAFitbit OSBuild-in
Apps
Music

All Wearables