Polar M600 vs. Fitbit Alta vs. Fitbit Flex 2 vs. Acer Liquid Leap vs. Garmin VivoActive 4

 
M600
Alta
Flex 2
Liquid Leap
VivoActive 4
 PolarM600Remove Buy NowFitbitAltaRemove Buy NowFitbitFlex 2Remove Buy NowAcerLiquid LeapRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$330$130$100$90$349
Release20162016201620152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days5 days5 to 7 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/an/a128 x 32260 x 260
Size1.3 inchesn/an/a1 inch1.3ionches
Touchn/an/an/a
TypeTFTOLEDLEDOLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/a5 ATMIPX45 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemAndroid Wearn/an/aWear OS
Apps
Music

All Wearables