Polar M600 vs. Moov Now vs. Polar A360 vs. Fitbit Alta HR vs. Amazfit T-Rex

 
M600
Now
A360
Alta HR
T-Rex
 PolarM600Remove Buy NowMoovNowRemove Buy NowPolarA360Remove Buy NowFitbitAlta HRRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$330$79$200$150$140
Release20162015201520172019

Activity & Fitness

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

Battery

Duration2 days6 months12 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a160 x 80128 x 36360 x 360
Size1.3 inchesn/a1.18 inches1.4 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 ResistanceIPX8n/aWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aBuild-in
Apps
Music

All Wearables