Polar M600 vs. Moov Now vs. Fitbit Alta HR vs. Garmin Vivosmart 4 vs. Apple Watch 8

 
M600
Now
Alta HR
Vivosmart 4
Watch 8
 PolarM600Remove Buy NowMoovNowRemove Buy NowFitbitAlta HRRemove Buy NowGarminVivosmart 4Remove Buy NowAppleWatch 8Remove Buy Now

Basic Info

Suggested Price$330$79$150$130$499
Release20162015201720182022

Activity & Fitness

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

Battery

Duration2 days6 months7 days7 days18 hrs
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a128 x 3648 x 128340 x 272 or 390 x 312
Size1.3 inchesn/a1.4 inches0.74 inches1.5 inches or 1.65 inches
Touchn/an/a
TypeTFTn/aOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water ResistanceIPX8n/a5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWatchOS 9
Apps
Music

All Wearables