Polar M400 vs. Fitbit Flex 2 vs. Acer Liquid Leap vs. Motorola Moto 360 (1st Gen) vs. Garmin Vivosport

 
M400
Flex 2
Liquid Leap
Moto 360 (1st Gen)
Vivosport
 PolarM400Remove Buy NowFitbitFlex 2Remove Buy NowAcerLiquid LeapRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowGarminVivosportRemove Buy Now

Basic Info

Suggested Price$200$100$90$150$199
Release20142016201520142017

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days5 to 7 days1 day7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128 x 32320 x 26072 x 144
Sizen/an/a1 inch1.56 inchesNA
Touchn/a
Typen/aLEDOLEDLCDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIPX4IP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear
Apps
MusicNA

All Wearables