Polar M600 vs. Garmin Vivosmart HR vs. Moov Now vs. Fitbit Alta HR vs. Amazfit T-Rex

 
M600
Vivosmart HR
Now
Alta HR
T-Rex
 PolarM600Remove Buy NowGarminVivosmart HRRemove Buy NowMoovNowRemove Buy NowFitbitAlta HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$330$170$79$150$140
Release20162015201520172019

Activity & Fitness

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

Battery

Duration2 days5 days6 months7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240160 x 68n/a128 x 36360 x 360
Size1.3 inches1.08 inchesn/a1.4 inches1.3 inches
Touchn/an/a
TypeTFTn/an/aOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water ResistanceIPX85 ATMn/a5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aBuild-in
Apps
Music

All Wearables