Polar M600 vs. Moov Now vs. Fitbit Alta HR vs. Fitbit Charge vs. Amazfit GTR

 
M600
Now
Alta HR
Charge
GTR
 PolarM600Remove Buy NowMoovNowRemove Buy NowFitbitAlta HRRemove Buy NowFitbitChargeRemove Buy NowAmazfitGTRRemove Buy Now

Basic Info

Suggested Price$330$79$150$130$199
Release20162015201720142019

Activity & Fitness

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

Battery

Duration2 days6 months7 days7-10 days24 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a128 x 36NA454 x 454
Size1.3 inchesn/a1.4 inchesNA1.39 inches
Touchn/an/aNA
TypeTFTn/aOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water ResistanceIPX8n/a1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aNABuild-in
Apps
Music

All Wearables