Polar M600 vs. Acer Liquid Leap vs. Garmin 645 Music vs. Fitbit Flex vs. Garmin Vivosmart HR Plus

 
M600
Liquid Leap
645 Music
Flex
Vivosmart HR Plus
 PolarM600Remove Buy NowAcerLiquid LeapRemove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowGarminVivosmart HR PlusRemove Buy Now

Basic Info

Suggested Price$330$90$450$100$179
Release20162015201820132017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 to 7 days7 days5 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240128 x 32240 x 240NA160 x 68
Size1.3 inches1 inch1.2 inchesNA0.5 inches x 0.8 inches
Touchn/aNA
TypeTFTOLEDMIPLEDLCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IPX45 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNANA
Apps
Music

All Wearables