Polar M400 vs. Acer Liquid Leap vs. Michael Kors Grayson vs. Garmin Vivosmart 3 vs. Michael Kors Grayson vs. HTC re Grip

 
M400
Liquid Leap
Grayson
Vivosmart 3
Grayson
re Grip
 PolarM400Remove Buy NowAcerLiquid LeapRemove Buy NowMichael KorsGraysonRemove Buy NowGarminVivosmart 3Remove Buy NowMichael KorsGraysonRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$200$90$350$139.99$350$199
Release201420152018201720182020

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 to 7 days24 hours5 days24 hours5 hours to 2.5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 32453 x 45464 x 128453x454160 x 32
Sizen/a1 inch1.39 inchesNA1.39 inches1.8 inches
Touch
Typen/aOLEDAMOLEDOLEDAMOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX41 ATM5 ATM1 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearAndroid WearNA
Apps
Music

All Wearables